57672724193537 has 8 divisors (see below), whose sum is σ = 59337786609576. Its totient is φ = 56013258627072.

The previous prime is 57672724193521. The next prime is 57672724193573. The reversal of 57672724193537 is 73539142727675.

It is a Cunningham number, because it is equal to 7594256²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 5060898126736 + 52611826066801 = 2249644^2 + 7253401^2 .

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 57672724193537 - 2⁴ = 57672724193521 is a prime.

It is a super-2 number, since 2×57672724193537² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57672724193137) 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, 1399191488 + ... + 1399232705.

It is an arithmetic number, because the mean of its divisors is an integer number (7417223326197).

Almost surely, 2^{57672724193537} is an apocalyptic number.

It is an amenable number.

57672724193537 is a deficient number, since it is larger than the sum of its proper divisors (1665062416039).

57672724193537 is a wasteful number, since it uses less digits than its factorization.

57672724193537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798424787.

The product of its digits is 466754400, while the sum is 68.

The spelling of 57672724193537 in words is "fifty-seven trillion, six hundred seventy-two billion, seven hundred twenty-four million, one hundred ninety-three thousand, five hundred thirty-seven".