74475564 has 48 divisors (see below), whose sum is σ = 182649600. Its totient is φ = 23573440.

The previous prime is 74475563. The next prime is 74475581. The reversal of 74475564 is 46557447.

It is not an unprimeable number, because it can be changed into a prime (74475563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40219 + ... + 42029.

It is an arithmetic number, because the mean of its divisors is an integer number (3805200).

Almost surely, 2^74475564 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 74475564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91324800).

74475564 is an abundant number, since it is smaller than the sum of its proper divisors (108174036).

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

74475564 is a wasteful number, since it uses less digits than its factorization.

74475564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990 (or 1988 counting only the distinct ones).

The product of its digits is 470400, while the sum is 42.

The square root of 74475564 is about 8629.9225952496. The cubic root of 74475564 is about 420.7310849544.

The spelling of 74475564 in words is "seventy-four million, four hundred seventy-five thousand, five hundred sixty-four".