772694980 has 48 divisors (see below), whose sum is σ = 1639399104. Its totient is φ = 305907840.

The previous prime is 772694969. The next prime is 772695041. The reversal of 772694980 is 89496277.

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, 1372179 + ... + 1372741.

It is an arithmetic number, because the mean of its divisors is an integer number (34154148).

Almost surely, 2^772694980 is an apocalyptic number.

It is an amenable number.

772694980 is an abundant number, since it is smaller than the sum of its proper divisors (866704124).

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

772694980 is a wasteful number, since it uses less digits than its factorization.

772694980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 772694980 is about 27797.3916042495. The cubic root of 772694980 is about 917.6337189746.

The spelling of 772694980 in words is "seven hundred seventy-two million, six hundred ninety-four thousand, nine hundred eighty".