74042232 has 32 divisors (see below), whose sum is σ = 201934080. Its totient is φ = 22436960.

The previous prime is 74042231. The next prime is 74042251. The reversal of 74042232 is 23224047.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74042231) 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, 139968 + ... + 140495.

It is an arithmetic number, because the mean of its divisors is an integer number (6310440).

Almost surely, 2^74042232 is an apocalyptic number.

It is an amenable number.

74042232 is an abundant number, since it is smaller than the sum of its proper divisors (127891848).

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

74042232 is a wasteful number, since it uses less digits than its factorization.

74042232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280483 (or 280479 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 74042232 is about 8604.7796020584. The cubic root of 74042232 is about 419.9134969243.

Adding to 74042232 its reverse (23224047), we get a palindrome (97266279).

The spelling of 74042232 in words is "seventy-four million, forty-two thousand, two hundred thirty-two".