242570740 has 24 divisors (see below), whose sum is σ = 521246880. Its totient is φ = 94771488.

The previous prime is 242570729. The next prime is 242570743. The reversal of 242570740 is 47075242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242570743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140170 + ... + 141889.

It is an arithmetic number, because the mean of its divisors is an integer number (21718620).

Almost surely, 2^242570740 is an apocalyptic number.

242570740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242570740 is an abundant number, since it is smaller than the sum of its proper divisors (278676140).

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

242570740 is a wasteful number, since it uses less digits than its factorization.

242570740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282111 (or 282109 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 242570740 is about 15574.6826612936. The cubic root of 242570740 is about 623.6574831022.

The spelling of 242570740 in words is "two hundred forty-two million, five hundred seventy thousand, seven hundred forty".