764614040 has 64 divisors (see below), whose sum is σ = 1782842400. Its totient is φ = 294940672.

The previous prime is 764614033. The next prime is 764614091. The reversal of 764614040 is 40416467.

It is a junction number, because it is equal to n+sod(n) for n = 764613988 and 764614006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122024 + ... + 128136.

Almost surely, 2^764614040 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 764614040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (891421200).

764614040 is an abundant number, since it is smaller than the sum of its proper divisors (1018228360).

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

764614040 is a wasteful number, since it uses less digits than its factorization.

764614040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6236 (or 6232 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 764614040 is about 27651.6552849915. The cubic root of 764614040 is about 914.4235930919.

The spelling of 764614040 in words is "seven hundred sixty-four million, six hundred fourteen thousand, forty".