770072680 has 32 divisors (see below), whose sum is σ = 1865946600. Its totient is φ = 284334336.

The previous prime is 770072671. The next prime is 770072711. The reversal of 770072680 is 86270077.

It can be written as a sum of positive squares in 4 ways, for example, as 380484036 + 389588644 = 19506^2 + 19738^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739935 + ... + 740974.

Almost surely, 2^770072680 is an apocalyptic number.

It is an amenable number.

770072680 is an abundant number, since it is smaller than the sum of its proper divisors (1095873920).

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

770072680 is a wasteful number, since it uses less digits than its factorization.

770072680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480933 (or 1480929 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 770072680 is about 27750.1834228172. The cubic root of 770072680 is about 916.5944826171.

The spelling of 770072680 in words is "seven hundred seventy million, seventy-two thousand, six hundred eighty".