74491488 has 120 divisors (see below), whose sum is σ = 226860480. Its totient is φ = 23950080.

The previous prime is 74491477. The next prime is 74491499. The reversal of 74491488 is 88419447.

It is an interprime number because it is at equal distance from previous prime (74491477) and next prime (74491499).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 74673 + ... + 75663.

It is an arithmetic number, because the mean of its divisors is an integer number (1890504).

Almost surely, 2^74491488 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 74491488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113430240).

74491488 is an abundant number, since it is smaller than the sum of its proper divisors (152368992).

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

74491488 is a wasteful number, since it uses less digits than its factorization.

74491488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 1025 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 74491488 is about 8630.8451498101. The cubic root of 74491488 is about 420.7610690369.

The spelling of 74491488 in words is "seventy-four million, four hundred ninety-one thousand, four hundred eighty-eight".