74138416 has 20 divisors (see below), whose sum is σ = 156702024. Its totient is φ = 33699200.

The previous prime is 74138401. The next prime is 74138429. The reversal of 74138416 is 61483147.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210445 + ... + 210796.

Almost surely, 2^74138416 is an apocalyptic number.

It is an amenable number.

74138416 is an abundant number, since it is smaller than the sum of its proper divisors (82563608).

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

74138416 is a wasteful number, since it uses less digits than its factorization.

74138416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421260 (or 421254 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 74138416 is about 8610.3667749986. The cubic root of 74138416 is about 420.0952467281.

The spelling of 74138416 in words is "seventy-four million, one hundred thirty-eight thousand, four hundred sixteen".