747102072 has 16 divisors (see below), whose sum is σ = 1867755240. Its totient is φ = 249034016.

The previous prime is 747102071. The next prime is 747102091. The reversal of 747102072 is 270201747.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747102071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15564603 + ... + 15564650.

Almost surely, 2^747102072 is an apocalyptic number.

It is an amenable number.

747102072 is an abundant number, since it is smaller than the sum of its proper divisors (1120653168).

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

747102072 is a wasteful number, since it uses less digits than its factorization.

747102072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31129262 (or 31129258 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 747102072 is about 27333.1679832397. The cubic root of 747102072 is about 907.3885894088.

The spelling of 747102072 in words is "seven hundred forty-seven million, one hundred two thousand, seventy-two".