764424276 has 72 divisors (see below), whose sum is σ = 2240656320. Its totient is φ = 198549120.

The previous prime is 764424233. The next prime is 764424281. The reversal of 764424276 is 672424467.

764424276 = 495² + 496² + ... + 1341².

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27441 + ... + 47768.

Almost surely, 2^764424276 is an apocalyptic number.

It is an amenable number.

764424276 is an abundant number, since it is smaller than the sum of its proper divisors (1476232044).

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

764424276 is a wasteful number, since it uses less digits than its factorization.

764424276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75245 (or 75232 counting only the distinct ones).

The product of its digits is 451584, while the sum is 42.

The square root of 764424276 is about 27648.2237404141. The cubic root of 764424276 is about 914.3479387849.

The spelling of 764424276 in words is "seven hundred sixty-four million, four hundred twenty-four thousand, two hundred seventy-six".