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7672068637 = 61137918041
BaseRepresentation
bin1110010010100101…
…00111101000011101
3201210200100110122021
413021102213220131
5111203022144022
63305143020141
7361056336022
oct71122475035
921720313567
107672068637
1132877567a2
1215a143a651
13953615aac
1452ad03549
152ed8207c7
hex1c94a7a1d

7672068637 has 8 divisors (see below), whose sum is σ = 7854767352. Its totient is φ = 7491206400.

The previous prime is 7672068631. The next prime is 7672068671. The reversal of 7672068637 is 7368602767.

It can be written as a sum of positive squares in 4 ways, for example, as 111070521 + 7560998116 = 10539^2 + 86954^2 .

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 7672068637 - 223 = 7663680029 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 (7672068631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450664 + ... + 467377.

It is an arithmetic number, because the mean of its divisors is an integer number (981845919).

Almost surely, 27672068637 is an apocalyptic number.

It is an amenable number.

7672068637 is a deficient number, since it is larger than the sum of its proper divisors (182698715).

7672068637 is a wasteful number, since it uses less digits than its factorization.

7672068637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918239.

The product of its (nonzero) digits is 3556224, while the sum is 52.

The square root of 7672068637 is about 87590.3455695889. The cubic root of 7672068637 is about 1972.2902441656.

The spelling of 7672068637 in words is "seven billion, six hundred seventy-two million, sixty-eight thousand, six hundred thirty-seven".

Divisors: 1 61 137 8357 918041 56000501 125771617 7672068637