74118912 has 144 divisors (see below), whose sum is σ = 239000832. Its totient is φ = 19906560.

The previous prime is 74118911. The next prime is 74118973. The reversal of 74118912 is 21981147.

It is a super-2 number, since 2×74118912² = 10987226232127488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74118911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90987 + ... + 91797.

It is an arithmetic number, because the mean of its divisors is an integer number (1659728).

Almost surely, 2^74118912 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 74118912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119500416).

74118912 is an abundant number, since it is smaller than the sum of its proper divisors (164881920).

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

74118912 is a wasteful number, since it uses less digits than its factorization.

74118912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 840 counting only the distinct ones).

The product of its digits is 4032, while the sum is 33.

The square root of 74118912 is about 8609.2341122774. The cubic root of 74118912 is about 420.0584045764.

The spelling of 74118912 in words is "seventy-four million, one hundred eighteen thousand, nine hundred twelve".