74407386 has 32 divisors (see below), whose sum is σ = 151815168. Its totient is φ = 24306480.

The previous prime is 74407357. The next prime is 74407393. The reversal of 74407386 is 68370447.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108601 + ... + 109283.

It is an arithmetic number, because the mean of its divisors is an integer number (4744224).

Almost surely, 2^74407386 is an apocalyptic number.

74407386 is an abundant number, since it is smaller than the sum of its proper divisors (77407782).

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

74407386 is a wasteful number, since it uses less digits than its factorization.

74407386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 74407386 is about 8625.9715974492. The cubic root of 74407386 is about 420.6026609012.

The spelling of 74407386 in words is "seventy-four million, four hundred seven thousand, three hundred eighty-six".