764567056 has 60 divisors (see below), whose sum is σ = 1649200000. Its totient is φ = 343062720.

The previous prime is 764567053. The next prime is 764567113. The reversal of 764567056 is 650765467.

It is a junction number, because it is equal to n+sod(n) for n = 764566997 and 764567015.

It is not an unprimeable number, because it can be changed into a prime (764567053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150445 + ... + 155443.

Almost surely, 2^764567056 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 764567056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (824600000).

764567056 is an abundant number, since it is smaller than the sum of its proper divisors (884632944).

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

764567056 is a wasteful number, since it uses less digits than its factorization.

764567056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5108 (or 5091 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 46.

The square root of 764567056 is about 27650.8057025469. The cubic root of 764567056 is about 914.4048628760.

The spelling of 764567056 in words is "seven hundred sixty-four million, five hundred sixty-seven thousand, fifty-six".