74888444 has 24 divisors (see below), whose sum is σ = 135883440. Its totient is φ = 36084096.

The previous prime is 74888441. The next prime is 74888449. The reversal of 74888444 is 44488847.

It is a super-2 number, since 2×74888444² = 11216558089482272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74888441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13472 + ... + 18200.

It is an arithmetic number, because the mean of its divisors is an integer number (5661810).

Almost surely, 2^74888444 is an apocalyptic number.

74888444 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

74888444 is a deficient number, since it is larger than the sum of its proper divisors (60994996).

74888444 is a wasteful number, since it uses less digits than its factorization.

74888444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4877 (or 4875 counting only the distinct ones).

The product of its digits is 917504, while the sum is 47.

The square root of 74888444 is about 8653.8109524070. The cubic root of 74888444 is about 421.5071400659.

The spelling of 74888444 in words is "seventy-four million, eight hundred eighty-eight thousand, four hundred forty-four".