242137470 has 16 divisors (see below), whose sum is σ = 581130000. Its totient is φ = 64569984.

The previous prime is 242137457. The next prime is 242137471. The reversal of 242137470 is 74731242.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 8071249 = 242137470 / (2 + 4 + 2 + 1 + 3 + 7 + 4 + 7 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242137471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4035595 + ... + 4035654.

It is an arithmetic number, because the mean of its divisors is an integer number (36320625).

Almost surely, 2^242137470 is an apocalyptic number.

242137470 is an abundant number, since it is smaller than the sum of its proper divisors (338992530).

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

242137470 is a wasteful number, since it uses less digits than its factorization.

242137470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8071259.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 242137470 is about 15560.7670119439. The cubic root of 242137470 is about 623.2859445864.

The spelling of 242137470 in words is "two hundred forty-two million, one hundred thirty-seven thousand, four hundred seventy".