74423612 has 12 divisors (see below), whose sum is σ = 130897200. Its totient is φ = 37024416.

The previous prime is 74423611. The next prime is 74423617. The reversal of 74423612 is 21632447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74423611) 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, 45953 + ... + 47544.

It is an arithmetic number, because the mean of its divisors is an integer number (10908100).

Almost surely, 2^74423612 is an apocalyptic number.

It is an amenable number.

74423612 is a deficient number, since it is larger than the sum of its proper divisors (56473588).

74423612 is a wasteful number, since it uses less digits than its factorization.

74423612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93700 (or 93698 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 74423612 is about 8626.9120779106. The cubic root of 74423612 is about 420.6332322513.

The spelling of 74423612 in words is "seventy-four million, four hundred twenty-three thousand, six hundred twelve".