56672737 has 8 divisors (see below), whose sum is σ = 61881120. Its totient is φ = 51473760.

The previous prime is 56672723. The next prime is 56672767. The reversal of 56672737 is 73727665.

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 56672737 - 2²³ = 48284129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56672693 and 56672702.

It is not an unprimeable number, because it can be changed into a prime (56672767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17814 + ... + 20752.

It is an arithmetic number, because the mean of its divisors is an integer number (7735140).

Almost surely, 2^56672737 is an apocalyptic number.

It is an amenable number.

56672737 is a deficient number, since it is larger than the sum of its proper divisors (5208383).

56672737 is a wasteful number, since it uses less digits than its factorization.

56672737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703.

The product of its digits is 370440, while the sum is 43.

The square root of 56672737 is about 7528.1297146104. The cubic root of 56672737 is about 384.1121656745.

The spelling of 56672737 in words is "fifty-six million, six hundred seventy-two thousand, seven hundred thirty-seven".