74204919 has 12 divisors (see below), whose sum is σ = 107262792. Its totient is φ = 49434000.

The previous prime is 74204891. The next prime is 74204981. The reversal of 74204919 is 91940247.

It is not a de Polignac number, because 74204919 - 2¹⁷ = 74073847 is a prime.

It is a super-2 number, since 2×74204919² = 11012740007593122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74204989) 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, 17344 + ... + 21194.

It is an arithmetic number, because the mean of its divisors is an integer number (8938566).

Almost surely, 2^74204919 is an apocalyptic number.

74204919 is a deficient number, since it is larger than the sum of its proper divisors (33057873).

74204919 is a wasteful number, since it uses less digits than its factorization.

74204919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5998 (or 5995 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 74204919 is about 8614.2277076938. The cubic root of 74204919 is about 420.2208192558.

The spelling of 74204919 in words is "seventy-four million, two hundred four thousand, nine hundred nineteen".