74404400 has 60 divisors (see below), whose sum is σ = 204300912. Its totient is φ = 25509120.

The previous prime is 74404397. The next prime is 74404403. The reversal of 74404400 is 440447.

It is an interprime number because it is at equal distance from previous prime (74404397) and next prime (74404403).

It is not an unprimeable number, because it can be changed into a prime (74404403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10487 + ... + 16086.

Almost surely, 2^74404400 is an apocalyptic number.

74404400 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74404400 is an abundant number, since it is smaller than the sum of its proper divisors (129896512).

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

74404400 is a wasteful number, since it uses less digits than its factorization.

74404400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26598 (or 26587 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 74404400 is about 8625.7985137609. The cubic root of 74404400 is about 420.5970345048.

Adding to 74404400 its reverse (440447), we get a palindrome (74844847).

The spelling of 74404400 in words is "seventy-four million, four hundred four thousand, four hundred".