74407918 has 16 divisors (see below), whose sum is σ = 121010400. Its totient is φ = 34109856.

The previous prime is 74407877. The next prime is 74407937. The reversal of 74407918 is 81970447.

It is a super-2 number, since 2×74407918² = 11073076522189448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5730 + ... + 13477.

It is an arithmetic number, because the mean of its divisors is an integer number (7563150).

Almost surely, 2^74407918 is an apocalyptic number.

74407918 is a deficient number, since it is larger than the sum of its proper divisors (46602482).

74407918 is a wasteful number, since it uses less digits than its factorization.

74407918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19371.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 74407918 is about 8626.0024345000. The cubic root of 74407918 is about 420.6036633110.

The spelling of 74407918 in words is "seventy-four million, four hundred seven thousand, nine hundred eighteen".