772794380 has 12 divisors (see below), whose sum is σ = 1622868240. Its totient is φ = 309117744.

The previous prime is 772794377. The next prime is 772794397. The reversal of 772794380 is 83497277.

It is a super-2 number, since 2×772794380² = 1194422307519168800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19319840 + ... + 19319879.

It is an arithmetic number, because the mean of its divisors is an integer number (135239020).

Almost surely, 2^772794380 is an apocalyptic number.

It is an amenable number.

772794380 is an abundant number, since it is smaller than the sum of its proper divisors (850073860).

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

772794380 is a wasteful number, since it uses less digits than its factorization.

772794380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38639728 (or 38639726 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 47.

The square root of 772794380 is about 27799.1794842941. The cubic root of 772794380 is about 917.6730656263.

The spelling of 772794380 in words is "seven hundred seventy-two million, seven hundred ninety-four thousand, three hundred eighty".