74325642 has 16 divisors (see below), whose sum is σ = 148830240. Its totient is φ = 24745392.

The previous prime is 74325623. The next prime is 74325679. The reversal of 74325642 is 24652347.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1717 + ... + 12312.

It is an arithmetic number, because the mean of its divisors is an integer number (9301890).

Almost surely, 2^74325642 is an apocalyptic number.

74325642 is an abundant number, since it is smaller than the sum of its proper divisors (74504598).

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

74325642 is a wasteful number, since it uses less digits than its factorization.

74325642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14917.

The product of its digits is 40320, while the sum is 33.

The square root of 74325642 is about 8621.2320465233. The cubic root of 74325642 is about 420.4485796822.

Adding to 74325642 its reverse (24652347), we get a palindrome (98977989).

The spelling of 74325642 in words is "seventy-four million, three hundred twenty-five thousand, six hundred forty-two".