772774260 has 48 divisors (see below), whose sum is σ = 2170867776. Its totient is φ = 205396992.

The previous prime is 772774259. The next prime is 772774319. The reversal of 772774260 is 62477277.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2557 + ... + 39396.

It is an arithmetic number, because the mean of its divisors is an integer number (45226412).

Almost surely, 2^772774260 is an apocalyptic number.

It is an amenable number.

772774260 is an abundant number, since it is smaller than the sum of its proper divisors (1398093516).

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

772774260 is a wasteful number, since it uses less digits than its factorization.

772774260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42272 (or 42270 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 42.

The square root of 772774260 is about 27798.8176007542. The cubic root of 772774260 is about 917.6651015664.

The spelling of 772774260 in words is "seven hundred seventy-two million, seven hundred seventy-four thousand, two hundred sixty".