74505242 has 8 divisors (see below), whose sum is σ = 127723296. Its totient is φ = 31930812.

The previous prime is 74505209. The next prime is 74505247. The reversal of 74505242 is 24250547.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (74505247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2660888 + ... + 2660915.

It is an arithmetic number, because the mean of its divisors is an integer number (15965412).

Almost surely, 2^74505242 is an apocalyptic number.

74505242 is a deficient number, since it is larger than the sum of its proper divisors (53218054).

74505242 is a wasteful number, since it uses less digits than its factorization.

74505242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5321812.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 74505242 is about 8631.6419063814. The cubic root of 74505242 is about 420.7869636805.

Adding to 74505242 its reverse (24250547), we get a palindrome (98755789).

It can be divided in two parts, 74505 and 242, that added together give a palindrome (74747).

The spelling of 74505242 in words is "seventy-four million, five hundred five thousand, two hundred forty-two".