74674574 has 32 divisors (see below), whose sum is σ = 130727520. Its totient is φ = 31675392.

The previous prime is 74674559. The next prime is 74674609. The reversal of 74674574 is 47547647.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17042 + ... + 20970.

It is an arithmetic number, because the mean of its divisors is an integer number (4085235).

Almost surely, 2^74674574 is an apocalyptic number.

74674574 is a deficient number, since it is larger than the sum of its proper divisors (56052946).

74674574 is a wasteful number, since it uses less digits than its factorization.

74674574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4004.

The product of its digits is 658560, while the sum is 44.

The square root of 74674574 is about 8641.4451337725. The cubic root of 74674574 is about 421.1055040693.

Adding to 74674574 its reverse (47547647), we get a palindrome (122222221).

The spelling of 74674574 in words is "seventy-four million, six hundred seventy-four thousand, five hundred seventy-four".