764625238370 has 128 divisors (see below), whose sum is σ = 1711371939840. Its totient is φ = 240329456640.

The previous prime is 764625238331. The next prime is 764625238373. The reversal of 764625238370 is 73832526467.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is not an unprimeable number, because it can be changed into a prime (764625238373) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 3220664 + ... + 3449916.

It is an arithmetic number, because the mean of its divisors is an integer number (13370093280).

Almost surely, 2^764625238370 is an apocalyptic number.

764625238370 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

764625238370 is an abundant number, since it is smaller than the sum of its proper divisors (946746701470).

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

764625238370 is a wasteful number, since it uses less digits than its factorization.

764625238370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229380.

The product of its (nonzero) digits is 10160640, while the sum is 53.

The spelling of 764625238370 in words is "seven hundred sixty-four billion, six hundred twenty-five million, two hundred thirty-eight thousand, three hundred seventy".