74532612 has 72 divisors (see below), whose sum is σ = 218494528. Its totient is φ = 19356480.

The previous prime is 74532599. The next prime is 74532613. The reversal of 74532612 is 21623547.

It is a super-2 number, since 2×74532612² = 11110220503085088, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 74532612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74532613) 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, 6498 + ... + 13830.

Almost surely, 2^74532612 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 74532612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109247264).

74532612 is an abundant number, since it is smaller than the sum of its proper divisors (143961916).

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

74532612 is a wasteful number, since it uses less digits than its factorization.

74532612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7369 (or 7356 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 74532612 is about 8633.2272065549. The cubic root of 74532612 is about 420.8384836760.

The spelling of 74532612 in words is "seventy-four million, five hundred thirty-two thousand, six hundred twelve".