242173770 has 32 divisors (see below), whose sum is σ = 581636160. Its totient is φ = 64533120.

The previous prime is 242173759. The next prime is 242173783. The reversal of 242173770 is 77371242.

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, 66661 + ... + 70199.

It is an arithmetic number, because the mean of its divisors is an integer number (18176130).

Almost surely, 2^242173770 is an apocalyptic number.

242173770 is an abundant number, since it is smaller than the sum of its proper divisors (339462390).

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

242173770 is a wasteful number, since it uses less digits than its factorization.

242173770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5830.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 242173770 is about 15561.9333631782. The cubic root of 242173770 is about 623.3170896342.

The spelling of 242173770 in words is "two hundred forty-two million, one hundred seventy-three thousand, seven hundred seventy".