4720131936 has 72 divisors (see below), whose sum is σ = 14455415520. Its totient is φ = 1452347136.

The previous prime is 4720131919. The next prime is 4720131947. The reversal of 4720131936 is 6391310274.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 4720131936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 626616 + ... + 634103.

It is an arithmetic number, because the mean of its divisors is an integer number (200769660).

Almost surely, 2^4720131936 is an apocalyptic number.

It is an amenable number.

4720131936 is an abundant number, since it is smaller than the sum of its proper divisors (9735283584).

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

4720131936 is a wasteful number, since it uses less digits than its factorization.

4720131936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260748 (or 1260737 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 4720131936 is about 68703.2163439238. The cubic root of 4720131936 is about 1677.4569347429.

The spelling of 4720131936 in words is "four billion, seven hundred twenty million, one hundred thirty-one thousand, nine hundred thirty-six".