764400468 has 24 divisors (see below), whose sum is σ = 1920801568. Its totient is φ = 235200096.

The previous prime is 764400443. The next prime is 764400479. The reversal of 764400468 is 864004467.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2449846 + ... + 2450157.

Almost surely, 2^764400468 is an apocalyptic number.

764400468 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

764400468 is an abundant number, since it is smaller than the sum of its proper divisors (1156401100).

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

764400468 is a wasteful number, since it uses less digits than its factorization.

764400468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4900023 (or 4900021 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 764400468 is about 27647.7931849904. The cubic root of 764400468 is about 914.3384462285.

The spelling of 764400468 in words is "seven hundred sixty-four million, four hundred thousand, four hundred sixty-eight".