74442224 has 40 divisors (see below), whose sum is σ = 151792368. Its totient is φ = 35320320.

The previous prime is 74442211. The next prime is 74442227. The reversal of 74442224 is 42224447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74442227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22739 + ... + 25805.

Almost surely, 2^74442224 is an apocalyptic number.

74442224 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

74442224 is an abundant number, since it is smaller than the sum of its proper divisors (77350144).

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

74442224 is a wasteful number, since it uses less digits than its factorization.

74442224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153 (or 3147 counting only the distinct ones).

The product of its digits is 14336, while the sum is 29.

The square root of 74442224 is about 8627.9907278578. The cubic root of 74442224 is about 420.6682935846.

The spelling of 74442224 in words is "seventy-four million, four hundred forty-two thousand, two hundred twenty-four".