56704080 has 80 divisors (see below), whose sum is σ = 176845824. Its totient is φ = 15029760.

The previous prime is 56704051. The next prime is 56704093. The reversal of 56704080 is 8040765.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 45222 + ... + 46458.

Almost surely, 2^56704080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56704080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88422912).

56704080 is an abundant number, since it is smaller than the sum of its proper divisors (120141744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56704080 is a wasteful number, since it uses less digits than its factorization.

56704080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444 (or 1438 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 56704080 is about 7530.2111524180. The cubic root of 56704080 is about 384.1829640248.

The spelling of 56704080 in words is "fifty-six million, seven hundred four thousand, eighty".