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672722141 = 7137392551
BaseRepresentation
bin101000000110001…
…110110011011101
31201212211211021212
4220012032303131
52334204102031
6150430434205
722446021020
oct5006166335
91655754255
10672722141
11315809113
12169362965
13a94ab450
14654b71b7
153e0d512b
hex2818ecdd

672722141 has 8 divisors (see below), whose sum is σ = 827965824. Its totient is φ = 532263600.

The previous prime is 672722131. The next prime is 672722153. The reversal of 672722141 is 141227276.

672722141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 672722141 - 210 = 672721117 is a prime.

It is a super-3 number, since 3×6727221413 (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 672722098 and 672722107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672722131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3696185 + ... + 3696366.

It is an arithmetic number, because the mean of its divisors is an integer number (103495728).

Almost surely, 2672722141 is an apocalyptic number.

It is an amenable number.

672722141 is a deficient number, since it is larger than the sum of its proper divisors (155243683).

672722141 is a wasteful number, since it uses less digits than its factorization.

672722141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7392571.

The product of its digits is 9408, while the sum is 32.

The square root of 672722141 is about 25936.8876506030. The cubic root of 672722141 is about 876.2174686658.

The spelling of 672722141 in words is "six hundred seventy-two million, seven hundred twenty-two thousand, one hundred forty-one".

Divisors: 1 7 13 91 7392551 51747857 96103163 672722141