747432 has 48 divisors (see below), whose sum is σ = 2315040. Its totient is φ = 213408.

The previous prime is 747427. The next prime is 747449. The reversal of 747432 is 234747.

It is a nude number because it is divisible by every one of its digits.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 747396 and 747405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238 + ... + 1245.

It is an arithmetic number, because the mean of its divisors is an integer number (48230).

2⁷⁴⁷⁴³² is an apocalyptic number.

747432 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 747432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1157520).

747432 is an abundant number, since it is smaller than the sum of its proper divisors (1567608).

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

747432 is a wasteful number, since it uses less digits than its factorization.

747432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502 (or 1495 counting only the distinct ones).

The product of its digits is 4704, while the sum is 27.

The square root of 747432 is about 864.5414969798. The cubic root of 747432 is about 90.7522140479.

The spelling of 747432 in words is "seven hundred forty-seven thousand, four hundred thirty-two".