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72710893 = 4310316417
BaseRepresentation
bin1000101010101…
…11101011101101
312001211002121001
410111113223231
5122103222033
611114240301
71542014053
oct425275355
9161732531
1072710893
1138052852
1220426091
13120aa6c8
14992a1d3
1565b3e7d
hex4557aed

72710893 has 8 divisors (see below), whose sum is σ = 75128768. Its totient is φ = 70326144.

The previous prime is 72710873. The next prime is 72710899. The reversal of 72710893 is 39801727.

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 72710893 - 25 = 72710861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72710899) 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, 3780 + ... + 12637.

It is an arithmetic number, because the mean of its divisors is an integer number (9391096).

Almost surely, 272710893 is an apocalyptic number.

It is an amenable number.

72710893 is a deficient number, since it is larger than the sum of its proper divisors (2417875).

72710893 is a wasteful number, since it uses less digits than its factorization.

72710893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16563.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 72710893 is about 8527.0682535089. The cubic root of 72710893 is about 417.3814653873.

The spelling of 72710893 in words is "seventy-two million, seven hundred ten thousand, eight hundred ninety-three".

Divisors: 1 43 103 4429 16417 705931 1690951 72710893