242723670 has 128 divisors (see below), whose sum is σ = 707788800. Its totient is φ = 52036992.

The previous prime is 242723659. The next prime is 242723693. The reversal of 242723670 is 76327242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 506491 + ... + 506969.

It is an arithmetic number, because the mean of its divisors is an integer number (5529600).

Almost surely, 2^242723670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242723670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (353894400).

242723670 is an abundant number, since it is smaller than the sum of its proper divisors (465065130).

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

242723670 is a wasteful number, since it uses less digits than its factorization.

242723670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 242723670 is about 15579.5914580582. The cubic root of 242723670 is about 623.7885182832.

The spelling of 242723670 in words is "two hundred forty-two million, seven hundred twenty-three thousand, six hundred seventy".