74313988 has 36 divisors (see below), whose sum is σ = 153567120. Its totient is φ = 31367952.

The previous prime is 74313977. The next prime is 74314001. The reversal of 74313988 is 88931347.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10303 + ... + 15961.

Almost surely, 2^74313988 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 74313988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76783560).

74313988 is an abundant number, since it is smaller than the sum of its proper divisors (79253132).

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

74313988 is a wasteful number, since it uses less digits than its factorization.

74313988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5744 (or 5735 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 74313988 is about 8620.5561305521. The cubic root of 74313988 is about 420.4266035793.

The spelling of 74313988 in words is "seventy-four million, three hundred thirteen thousand, nine hundred eighty-eight".