747846432 has 120 divisors (see below), whose sum is σ = 2275465500. Its totient is φ = 240662016.

The previous prime is 747846401. The next prime is 747846467. The reversal of 747846432 is 234648747.

It can be written as a sum of positive squares in 2 ways, for example, as 746600976 + 1245456 = 27324^2 + 1116^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 70194 + ... + 80142.

Almost surely, 2^747846432 is an apocalyptic number.

747846432 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 747846432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1137732750).

747846432 is an abundant number, since it is smaller than the sum of its proper divisors (1527619068).

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

747846432 is a wasteful number, since it uses less digits than its factorization.

747846432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000 (or 9983 counting only the distinct ones).

The product of its digits is 903168, while the sum is 45.

The square root of 747846432 is about 27346.7810171508. The cubic root of 747846432 is about 907.6898421224.

The spelling of 747846432 in words is "seven hundred forty-seven million, eight hundred forty-six thousand, four hundred thirty-two".