47700756 has 18 divisors (see below), whose sum is σ = 120577002. Its totient is φ = 15900240.

The previous prime is 47700727. The next prime is 47700761. The reversal of 47700756 is 65700774.

It can be written as a sum of positive squares in only one way, i.e., 44756100 + 2944656 = 6690^2 + 1716^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1325021 = 47700756 / (4 + 7 + 7 + 0 + 0 + 7 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 47700756.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 662475 + ... + 662546.

Almost surely, 2^47700756 is an apocalyptic number.

It is an amenable number.

47700756 is an abundant number, since it is smaller than the sum of its proper divisors (72876246).

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

47700756 is a wasteful number, since it uses less digits than its factorization.

47700756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325031 (or 1325026 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 47700756 is about 6906.5733906185. The cubic root of 47700756 is about 362.6673180826.

The spelling of 47700756 in words is "forty-seven million, seven hundred thousand, seven hundred fifty-six".