755680656 has 20 divisors (see below), whose sum is σ = 1952175152. Its totient is φ = 251893536.

The previous prime is 755680643. The next prime is 755680657. The reversal of 755680656 is 656086557.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 15743347 = 755680656 / (7 + 5 + 5 + 6 + 8 + 0 + 6 + 5 + 6).

It is not an unprimeable number, because it can be changed into a prime (755680657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7871626 + ... + 7871721.

Almost surely, 2^755680656 is an apocalyptic number.

It is an amenable number.

755680656 is an abundant number, since it is smaller than the sum of its proper divisors (1196494496).

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

755680656 is a wasteful number, since it uses less digits than its factorization.

755680656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15743358 (or 15743352 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 48.

The square root of 755680656 is about 27489.6463418502. The cubic root of 755680656 is about 910.8484041234.

The spelling of 755680656 in words is "seven hundred fifty-five million, six hundred eighty thousand, six hundred fifty-six".