242578427 has 32 divisors (see below), whose sum is σ = 310087680. Its totient is φ = 184654080.

The previous prime is 242578411. The next prime is 242578429. The reversal of 242578427 is 724875242.

It is not a de Polignac number, because 242578427 - 2⁴ = 242578411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (242578429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294338 + ... + 295160.

It is an arithmetic number, because the mean of its divisors is an integer number (9690240).

Almost surely, 2^242578427 is an apocalyptic number.

242578427 is a deficient number, since it is larger than the sum of its proper divisors (67509253).

242578427 is a wasteful number, since it uses less digits than its factorization.

242578427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963.

The product of its digits is 250880, while the sum is 41.

The square root of 242578427 is about 15574.9294380424. The cubic root of 242578427 is about 623.6640708773.

The spelling of 242578427 in words is "two hundred forty-two million, five hundred seventy-eight thousand, four hundred twenty-seven".