747625830 has 96 divisors (see below), whose sum is σ = 2210102496. Its totient is φ = 160828416.

The previous prime is 747625793. The next prime is 747625843. The reversal of 747625830 is 38526747.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10032 + ... + 39948.

It is an arithmetic number, because the mean of its divisors is an integer number (23021901).

Almost surely, 2^747625830 is an apocalyptic number.

747625830 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 747625830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1105051248).

747625830 is an abundant number, since it is smaller than the sum of its proper divisors (1462476666).

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

747625830 is a wasteful number, since it uses less digits than its factorization.

747625830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29958 (or 29951 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 747625830 is about 27342.7473016155. The cubic root of 747625830 is about 907.6005823144.

The spelling of 747625830 in words is "seven hundred forty-seven million, six hundred twenty-five thousand, eight hundred thirty".