74793242 has 4 divisors (see below), whose sum is σ = 112189866. Its totient is φ = 37396620.

The previous prime is 74793241. The next prime is 74793247. The reversal of 74793242 is 24239747.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38925121 + 35868121 = 6239^2 + 5989^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74793196 and 74793205.

It is not an unprimeable number, because it can be changed into a prime (74793241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18698309 + ... + 18698312.

Almost surely, 2^74793242 is an apocalyptic number.

74793242 is a deficient number, since it is larger than the sum of its proper divisors (37396624).

74793242 is a wasteful number, since it uses less digits than its factorization.

74793242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37396623.

The product of its digits is 84672, while the sum is 38.

The square root of 74793242 is about 8648.3086207651. The cubic root of 74793242 is about 421.3284505512.

The spelling of 74793242 in words is "seventy-four million, seven hundred ninety-three thousand, two hundred forty-two".