74117456 has 40 divisors (see below), whose sum is σ = 165078720. Its totient is φ = 31578624.

The previous prime is 74117437. The next prime is 74117489. The reversal of 74117456 is 65471147.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18200 + ... + 21896.

It is an arithmetic number, because the mean of its divisors is an integer number (4126968).

Almost surely, 2^74117456 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 74117456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82539360).

74117456 is an abundant number, since it is smaller than the sum of its proper divisors (90961264).

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

74117456 is a wasteful number, since it uses less digits than its factorization.

74117456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891 (or 3885 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 74117456 is about 8609.1495514946. The cubic root of 74117456 is about 420.0556540007.

The spelling of 74117456 in words is "seventy-four million, one hundred seventeen thousand, four hundred fifty-six".