747656130 has 64 divisors (see below), whose sum is σ = 1942714368. Its totient is φ = 183056640.

The previous prime is 747656123. The next prime is 747656153. The reversal of 747656130 is 31656747.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69472 + ... + 79508.

It is an arithmetic number, because the mean of its divisors is an integer number (30354912).

Almost surely, 2^747656130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 747656130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (971357184).

747656130 is an abundant number, since it is smaller than the sum of its proper divisors (1195058238).

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

747656130 is a wasteful number, since it uses less digits than its factorization.

747656130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10251.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 747656130 is about 27343.3013734626. The cubic root of 747656130 is about 907.6128433167.

The spelling of 747656130 in words is "seven hundred forty-seven million, six hundred fifty-six thousand, one hundred thirty".