747892020 has 48 divisors (see below), whose sum is σ = 2166312960. Its totient is φ = 192560256.

The previous prime is 747892007. The next prime is 747892039. The reversal of 747892020 is 20298747.

It is a self number, because there is not a number n which added to its sum of digits gives 747892020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213172 + ... + 216651.

It is an arithmetic number, because the mean of its divisors is an integer number (45131520).

Almost surely, 2^747892020 is an apocalyptic number.

It is an amenable number.

747892020 is an abundant number, since it is smaller than the sum of its proper divisors (1418420940).

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

747892020 is a wasteful number, since it uses less digits than its factorization.

747892020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429864 (or 429862 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 747892020 is about 27347.6145211973. The cubic root of 747892020 is about 907.7082857145.

The spelling of 747892020 in words is "seven hundred forty-seven million, eight hundred ninety-two thousand, twenty".