747381232 has 60 divisors (see below), whose sum is σ = 1611797880. Its totient is φ = 333728640.

The previous prime is 747381203. The next prime is 747381233. The reversal of 747381232 is 232183747.

It is a junction number, because it is equal to n+sod(n) for n = 747381191 and 747381200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747381233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198019 + ... + 201757.

It is an arithmetic number, because the mean of its divisors is an integer number (26863298).

Almost surely, 2^747381232 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 747381232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (805898940).

747381232 is an abundant number, since it is smaller than the sum of its proper divisors (864416648).

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

747381232 is a wasteful number, since it uses less digits than its factorization.

747381232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822 (or 3785 counting only the distinct ones).

The product of its digits is 56448, while the sum is 37.

The square root of 747381232 is about 27338.2741225557. The cubic root of 747381232 is about 907.5015927340.

The spelling of 747381232 in words is "seven hundred forty-seven million, three hundred eighty-one thousand, two hundred thirty-two".