74407998 has 32 divisors (see below), whose sum is σ = 175564800. Its totient is φ = 20573280.

The previous prime is 74407987. The next prime is 74408011. The reversal of 74407998 is 89970447.

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 15 ways as a sum of consecutive naturals, for example, 27273 + ... + 29876.

It is an arithmetic number, because the mean of its divisors is an integer number (5486400).

Almost surely, 2^74407998 is an apocalyptic number.

74407998 is an abundant number, since it is smaller than the sum of its proper divisors (101156802).

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

74407998 is a wasteful number, since it uses less digits than its factorization.

74407998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57192.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 74407998 is about 8626.0070716410. The cubic root of 74407998 is about 420.6038140489.

The spelling of 74407998 in words is "seventy-four million, four hundred seven thousand, nine hundred ninety-eight".