747172328 has 48 divisors (see below), whose sum is σ = 1617346080. Its totient is φ = 316996416.

The previous prime is 747172297. The next prime is 747172331. The reversal of 747172328 is 823271747.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 664775 + ... + 665897.

It is an arithmetic number, because the mean of its divisors is an integer number (33694710).

Almost surely, 2^747172328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 747172328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808673040).

747172328 is an abundant number, since it is smaller than the sum of its proper divisors (870173752).

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

747172328 is a wasteful number, since it uses less digits than its factorization.

747172328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 1241 counting only the distinct ones).

The product of its digits is 131712, while the sum is 41.

The square root of 747172328 is about 27334.4531315335. The cubic root of 747172328 is about 907.4170315262.

The spelling of 747172328 in words is "seven hundred forty-seven million, one hundred seventy-two thousand, three hundred twenty-eight".