782272764 has 72 divisors (see below), whose sum is σ = 2433747680. Its totient is φ = 206312832.

The previous prime is 782272763. The next prime is 782272793. The reversal of 782272764 is 467272287.

It is a super-2 number, since 2×782272764² = 1223901354592399392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (782272763) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116119 + ... + 122670.

Almost surely, 2^782272764 is an apocalyptic number.

It is an amenable number.

782272764 is an abundant number, since it is smaller than the sum of its proper divisors (1651474916).

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

782272764 is a wasteful number, since it uses less digits than its factorization.

782272764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238819 (or 238814 counting only the distinct ones).

The product of its digits is 526848, while the sum is 45.

The square root of 782272764 is about 27969.1394933773. The cubic root of 782272764 is about 921.4096081806.

The spelling of 782272764 in words is "seven hundred eighty-two million, two hundred seventy-two thousand, seven hundred sixty-four".