74418272 has 12 divisors (see below), whose sum is σ = 146511036. Its totient is φ = 37209120.

The previous prime is 74418229. The next prime is 74418277. The reversal of 74418272 is 27281447.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74418277) by changing a digit.

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 as a sum of consecutive naturals, namely, 1162754 + ... + 1162817.

It is an arithmetic number, because the mean of its divisors is an integer number (12209253).

Almost surely, 2^74418272 is an apocalyptic number.

It is an amenable number.

74418272 is a deficient number, since it is larger than the sum of its proper divisors (72092764).

74418272 is a wasteful number, since it uses less digits than its factorization.

74418272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325581 (or 2325573 counting only the distinct ones).

The product of its digits is 25088, while the sum is 35.

The square root of 74418272 is about 8626.6025757537. The cubic root of 74418272 is about 420.6231716665.

The spelling of 74418272 in words is "seventy-four million, four hundred eighteen thousand, two hundred seventy-two".