242172474 has 64 divisors (see below), whose sum is σ = 531615744. Its totient is φ = 73313856.

The previous prime is 242172457. The next prime is 242172481. The reversal of 242172474 is 474271242.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219007 + ... + 220109.

It is an arithmetic number, because the mean of its divisors is an integer number (8306496).

Almost surely, 2^242172474 is an apocalyptic number.

242172474 is an abundant number, since it is smaller than the sum of its proper divisors (289443270).

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

242172474 is a wasteful number, since it uses less digits than its factorization.

242172474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211.

The product of its digits is 25088, while the sum is 33.

The square root of 242172474 is about 15561.8917230522. The cubic root of 242172474 is about 623.3159777324.

The spelling of 242172474 in words is "two hundred forty-two million, one hundred seventy-two thousand, four hundred seventy-four".