51704672 has 24 divisors (see below), whose sum is σ = 101955672. Its totient is φ = 25811200.

The previous prime is 51704669. The next prime is 51704677. The reversal of 51704672 is 27640715.

It is a super-4 number, since 4×51704672⁴ (a number of 32 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51704677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34172 + ... + 35652.

It is an arithmetic number, because the mean of its divisors is an integer number (4248153).

Almost surely, 2^51704672 is an apocalyptic number.

It is an amenable number.

51704672 is a deficient number, since it is larger than the sum of its proper divisors (50251000).

51704672 is a wasteful number, since it uses less digits than its factorization.

51704672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582 (or 2574 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 51704672 is about 7190.5960809936. The cubic root of 51704672 is about 372.5431615227.

The spelling of 51704672 in words is "fifty-one million, seven hundred four thousand, six hundred seventy-two".