74497984 has 112 divisors (see below), whose sum is σ = 172821600. Its totient is φ = 31539200.

The previous prime is 74497979. The next prime is 74497987. The reversal of 74497984 is 48979447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74497987) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 837012 + ... + 837100.

It is an arithmetic number, because the mean of its divisors is an integer number (1543050).

Almost surely, 2^74497984 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 74497984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86410800).

74497984 is an abundant number, since it is smaller than the sum of its proper divisors (98323616).

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

74497984 is a wasteful number, since it uses less digits than its factorization.

74497984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 172 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The square root of 74497984 is about 8631.2214662816. The cubic root of 74497984 is about 420.7732994475.

The spelling of 74497984 in words is "seventy-four million, four hundred ninety-seven thousand, nine hundred eighty-four".