242740070 has 8 divisors (see below), whose sum is σ = 436932144. Its totient is φ = 97096024.

The previous prime is 242740019. The next prime is 242740073. The reversal of 242740070 is 70047242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242740073) 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 3 ways as a sum of consecutive naturals, for example, 12136994 + ... + 12137013.

It is an arithmetic number, because the mean of its divisors is an integer number (54616518).

Almost surely, 2^242740070 is an apocalyptic number.

242740070 is a deficient number, since it is larger than the sum of its proper divisors (194192074).

242740070 is a wasteful number, since it uses less digits than its factorization.

242740070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24274014.

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 242740070 is about 15580.1177787589. The cubic root of 242740070 is about 623.8025670454.

The spelling of 242740070 in words is "two hundred forty-two million, seven hundred forty thousand, seventy".