770656752 has 30 divisors (see below), whose sum is σ = 2156768952. Its totient is φ = 256885536.

The previous prime is 770656751. The next prime is 770656769. The reversal of 770656752 is 257656077.

It is a junction number, because it is equal to n+sod(n) for n = 770656698 and 770656707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770656751) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2675748 + ... + 2676035.

Almost surely, 2^770656752 is an apocalyptic number.

770656752 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

770656752 is an abundant number, since it is smaller than the sum of its proper divisors (1386112200).

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

770656752 is a wasteful number, since it uses less digits than its factorization.

770656752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5351797 (or 5351788 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 45.

The square root of 770656752 is about 27760.7051783632. The cubic root of 770656752 is about 916.8261585329.

The spelling of 770656752 in words is "seven hundred seventy million, six hundred fifty-six thousand, seven hundred fifty-two".