74744216 has 16 divisors (see below), whose sum is σ = 141507600. Its totient is φ = 37008864.

The previous prime is 74744213. The next prime is 74744237. The reversal of 74744216 is 61244747.

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 (74744213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44531 + ... + 46178.

It is an arithmetic number, because the mean of its divisors is an integer number (8844225).

Almost surely, 2^74744216 is an apocalyptic number.

It is an amenable number.

74744216 is a deficient number, since it is larger than the sum of its proper divisors (66763384).

74744216 is a wasteful number, since it uses less digits than its factorization.

74744216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90818 (or 90814 counting only the distinct ones).

The product of its digits is 37632, while the sum is 35.

The square root of 74744216 is about 8645.4737290677. The cubic root of 74744216 is about 421.2363719847.

The spelling of 74744216 in words is "seventy-four million, seven hundred forty-four thousand, two hundred sixteen".