74618928 has 80 divisors (see below), whose sum is σ = 225481600. Its totient is φ = 23561280.

The previous prime is 74618927. The next prime is 74618959. The reversal of 74618928 is 82981647.

74618928 is a `hidden beast` number, since 7 + 4 + 618 + 9 + 28 = 666.

It is not an unprimeable number, because it can be changed into a prime (74618927) 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, 3663 + ... + 12753.

It is an arithmetic number, because the mean of its divisors is an integer number (2818520).

Almost surely, 2^74618928 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 74618928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112740800).

74618928 is an abundant number, since it is smaller than the sum of its proper divisors (150862672).

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

74618928 is a wasteful number, since it uses less digits than its factorization.

74618928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9127 (or 9115 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 74618928 is about 8638.2248176347. The cubic root of 74618928 is about 421.0008782750. Note that the first 3 decimals are identical.

The spelling of 74618928 in words is "seventy-four million, six hundred eighteen thousand, nine hundred twenty-eight".