74412738 has 24 divisors (see below), whose sum is σ = 161401968. Its totient is φ = 24777432.

The previous prime is 74412727. The next prime is 74412739. The reversal of 74412738 is 83721447.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (74412739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21945 + ... + 25107.

It is an arithmetic number, because the mean of its divisors is an integer number (6725082).

Almost surely, 2^74412738 is an apocalyptic number.

74412738 is an abundant number, since it is smaller than the sum of its proper divisors (86989230).

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

74412738 is a wasteful number, since it uses less digits than its factorization.

74412738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478 (or 4475 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 74412738 is about 8626.2818177938. The cubic root of 74412738 is about 420.6127450769.

The spelling of 74412738 in words is "seventy-four million, four hundred twelve thousand, seven hundred thirty-eight".