764773272 has 64 divisors (see below), whose sum is σ = 2128896000. Its totient is φ = 254381472.

The previous prime is 764773241. The next prime is 764773277. The reversal of 764773272 is 272377467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764773277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105129 + ... + 112167.

It is an arithmetic number, because the mean of its divisors is an integer number (33264000).

Almost surely, 2^764773272 is an apocalyptic number.

764773272 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 764773272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1064448000).

764773272 is an abundant number, since it is smaller than the sum of its proper divisors (1364122728).

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

764773272 is a wasteful number, since it uses less digits than its factorization.

764773272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7557 (or 7547 counting only the distinct ones).

The product of its digits is 691488, while the sum is 45.

The square root of 764773272 is about 27654.5343840752. The cubic root of 764773272 is about 914.4870653728.

The spelling of 764773272 in words is "seven hundred sixty-four million, seven hundred seventy-three thousand, two hundred seventy-two".