74389832 has 96 divisors (see below), whose sum is σ = 164962560. Its totient is φ = 31363200.

The previous prime is 74389823. The next prime is 74389837. The reversal of 74389832 is 23898347.

It is a Harshad number since it is a multiple of its sum of digits (44).

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

It is not an unprimeable number, because it can be changed into a prime (74389837) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1110263 + ... + 1110329.

It is an arithmetic number, because the mean of its divisors is an integer number (1718360).

Almost surely, 2^74389832 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 74389832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82481280).

74389832 is an abundant number, since it is smaller than the sum of its proper divisors (90572728).

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

74389832 is a wasteful number, since it uses less digits than its factorization.

74389832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 148 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 74389832 is about 8624.9540288630. The cubic root of 74389832 is about 420.5695824655.

The spelling of 74389832 in words is "seventy-four million, three hundred eighty-nine thousand, eight hundred thirty-two".