74371968 has 96 divisors (see below), whose sum is σ = 233508600. Its totient is φ = 22533120.

The previous prime is 74371963. The next prime is 74371987. The reversal of 74371968 is 86917347.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74371963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9738 + ... + 15606.

Almost surely, 2^74371968 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 74371968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116754300).

74371968 is an abundant number, since it is smaller than the sum of its proper divisors (159136632).

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

74371968 is a wasteful number, since it uses less digits than its factorization.

74371968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5900 (or 5885 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 74371968 is about 8623.9183669606. The cubic root of 74371968 is about 420.5359145287.

The spelling of 74371968 in words is "seventy-four million, three hundred seventy-one thousand, nine hundred sixty-eight".