747700920 has 96 divisors (see below), whose sum is σ = 2557947600. Its totient is φ = 188891136.

The previous prime is 747700907. The next prime is 747700931. The reversal of 747700920 is 29007747.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47817 + ... + 61496.

Almost surely, 2^747700920 is an apocalyptic number.

It is an amenable number.

747700920 is an abundant number, since it is smaller than the sum of its proper divisors (1810246680).

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

747700920 is a wasteful number, since it uses less digits than its factorization.

747700920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109349 (or 109342 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 747700920 is about 27344.1203917771. The cubic root of 747700920 is about 907.6309671421.

The spelling of 747700920 in words is "seven hundred forty-seven million, seven hundred thousand, nine hundred twenty".