747145632 has 48 divisors (see below), whose sum is σ = 2024531712. Its totient is φ = 241013760.

The previous prime is 747145613. The next prime is 747145643. The reversal of 747145632 is 236541747.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122553 + ... + 128504.

It is an arithmetic number, because the mean of its divisors is an integer number (42177744).

Almost surely, 2^747145632 is an apocalyptic number.

It is an amenable number.

747145632 is an abundant number, since it is smaller than the sum of its proper divisors (1277386080).

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

747145632 is a wasteful number, since it uses less digits than its factorization.

747145632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251101 (or 251093 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 747145632 is about 27333.9648057138. The cubic root of 747145632 is about 907.4062242498.

The spelling of 747145632 in words is "seven hundred forty-seven million, one hundred forty-five thousand, six hundred thirty-two".