765797970 has 96 divisors (see below), whose sum is σ = 2144356416. Its totient is φ = 174518400.

The previous prime is 765797957. The next prime is 765797999. The reversal of 765797970 is 79797567.

It is a super-2 number, since 2×765797970² = 1172893061712241800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 765797970.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 721240 + ... + 722300.

It is an arithmetic number, because the mean of its divisors is an integer number (22337046).

Almost surely, 2^765797970 is an apocalyptic number.

765797970 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 765797970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1072178208).

765797970 is an abundant number, since it is smaller than the sum of its proper divisors (1378558446).

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

765797970 is a wasteful number, since it uses less digits than its factorization.

765797970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576 (or 1569 counting only the distinct ones).

The product of its (nonzero) digits is 5834430, while the sum is 57.

The square root of 765797970 is about 27673.0549451989. The cubic root of 765797970 is about 914.8953148472.

The spelling of 765797970 in words is "seven hundred sixty-five million, seven hundred ninety-seven thousand, nine hundred seventy".