74561242 has 24 divisors (see below), whose sum is σ = 131272596. Its totient is φ = 31667328.

The previous prime is 74561213. The next prime is 74561257. The reversal of 74561242 is 24216547.

It can be written as a sum of positive squares in 2 ways, for example, as 74494161 + 67081 = 8631^2 + 259^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7708 + ... + 14440.

Almost surely, 2^74561242 is an apocalyptic number.

74561242 is a deficient number, since it is larger than the sum of its proper divisors (56711354).

74561242 is a wasteful number, since it uses less digits than its factorization.

74561242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6862 (or 6855 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 74561242 is about 8634.8851758434. The cubic root of 74561242 is about 420.8923619407.

Adding to 74561242 its reverse (24216547), we get a palindrome (98777789).

The spelling of 74561242 in words is "seventy-four million, five hundred sixty-one thousand, two hundred forty-two".