74342432 has 12 divisors (see below), whose sum is σ = 146361726. Its totient is φ = 37171200.

The previous prime is 74342431. The next prime is 74342453. The reversal of 74342432 is 23424347.

It can be written as a sum of positive squares in only one way, i.e., 38390416 + 35952016 = 6196^2 + 5996^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74342395 and 74342404.

It is not an unprimeable number, because it can be changed into a prime (74342431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1161569 + ... + 1161632.

Almost surely, 2^74342432 is an apocalyptic number.

It is an amenable number.

74342432 is a deficient number, since it is larger than the sum of its proper divisors (72019294).

74342432 is a wasteful number, since it uses less digits than its factorization.

74342432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323211 (or 2323203 counting only the distinct ones).

The product of its digits is 16128, while the sum is 29.

The square root of 74342432 is about 8622.2057502706. The cubic root of 74342432 is about 420.4802367702.

Adding to 74342432 its reverse (23424347), we get a palindrome (97766779).

The spelling of 74342432 in words is "seventy-four million, three hundred forty-two thousand, four hundred thirty-two".