764715231740 has 12 divisors (see below), whose sum is σ = 1605901986696. Its totient is φ = 305886092688.

The previous prime is 764715231727. The next prime is 764715231781. The reversal of 764715231740 is 47132517467.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19117880774 + ... + 19117880813.

It is an arithmetic number, because the mean of its divisors is an integer number (133825165558).

Almost surely, 2^764715231740 is an apocalyptic number.

It is an amenable number.

764715231740 is an abundant number, since it is smaller than the sum of its proper divisors (841186754956).

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

764715231740 is a wasteful number, since it uses less digits than its factorization.

764715231740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38235761596 (or 38235761594 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 764715231740 in words is "seven hundred sixty-four billion, seven hundred fifteen million, two hundred thirty-one thousand, seven hundred forty".