764140404 has 48 divisors (see below), whose sum is σ = 1878972480. Its totient is φ = 241032960.

The previous prime is 764140381. The next prime is 764140409. The reversal of 764140404 is 404041467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764140409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311824 + ... + 314264.

It is an arithmetic number, because the mean of its divisors is an integer number (39145260).

Almost surely, 2^764140404 is an apocalyptic number.

It is an amenable number.

764140404 is an abundant number, since it is smaller than the sum of its proper divisors (1114832076).

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

764140404 is a wasteful number, since it uses less digits than its factorization.

764140404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840 (or 3838 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 764140404 is about 27643.0896247145. The cubic root of 764140404 is about 914.2347425220.

The spelling of 764140404 in words is "seven hundred sixty-four million, one hundred forty thousand, four hundred four".