764194938 has 16 divisors (see below), whose sum is σ = 1645958496. Its totient is φ = 235136880.

The previous prime is 764194903. The next prime is 764194973. The reversal of 764194938 is 839491467.

764194938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (764194903) and next prime (764194973).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4898608 + ... + 4898763.

It is an arithmetic number, because the mean of its divisors is an integer number (102872406).

Almost surely, 2^764194938 is an apocalyptic number.

764194938 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

764194938 is an abundant number, since it is smaller than the sum of its proper divisors (881763558).

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

764194938 is a wasteful number, since it uses less digits than its factorization.

764194938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9797389.

The product of its digits is 1306368, while the sum is 51.

The square root of 764194938 is about 27644.0760019213. The cubic root of 764194938 is about 914.2564905722.

The spelling of 764194938 in words is "seven hundred sixty-four million, one hundred ninety-four thousand, nine hundred thirty-eight".