747070072 has 24 divisors (see below), whose sum is σ = 1629452160. Its totient is φ = 320172720.

The previous prime is 747070013. The next prime is 747070081. The reversal of 747070072 is 270070747.

It is a super-2 number, since 2×747070072² = 1116227384956170368, which contains 22 as substring.

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, 952504 + ... + 953287.

It is an arithmetic number, because the mean of its divisors is an integer number (67893840).

Almost surely, 2^747070072 is an apocalyptic number.

It is an amenable number.

747070072 is an abundant number, since it is smaller than the sum of its proper divisors (882382088).

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

747070072 is a wasteful number, since it uses less digits than its factorization.

747070072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905811 (or 1905800 counting only the distinct ones).

The product of its (nonzero) digits is 19208, while the sum is 34.

The square root of 747070072 is about 27332.5826075766. The cubic root of 747070072 is about 907.3756340842.

The spelling of 747070072 in words is "seven hundred forty-seven million, seventy thousand, seventy-two".