74963968 has 44 divisors (see below), whose sum is σ = 157782760. Its totient is φ = 35500032.

The previous prime is 74963963. The next prime is 74963971. The reversal of 74963968 is 86936947.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74963963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17530 + ... + 21382.

Almost surely, 2^74963968 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 74963968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78891380).

74963968 is an abundant number, since it is smaller than the sum of its proper divisors (82818792).

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

74963968 is a wasteful number, since it uses less digits than its factorization.

74963968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892 (or 3874 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 52.

The square root of 74963968 is about 8658.1734794355. The cubic root of 74963968 is about 421.6487872422.

The spelling of 74963968 in words is "seventy-four million, nine hundred sixty-three thousand, nine hundred sixty-eight".