242637912 has 72 divisors (see below), whose sum is σ = 722341620. Its totient is φ = 73524000.

The previous prime is 242637907. The next prime is 242637917. The reversal of 242637912 is 219736242.

242637912 is a `hidden beast` number, since 2 + 4 + 2 + 637 + 9 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (242637907) and next prime (242637917).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242637917) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5214 + ... + 22637.

Almost surely, 2^242637912 is an apocalyptic number.

242637912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

242637912 is an abundant number, since it is smaller than the sum of its proper divisors (479703708).

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

242637912 is a wasteful number, since it uses less digits than its factorization.

242637912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27885 (or 27867 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 242637912 is about 15576.8389604566. The cubic root of 242637912 is about 623.7150449419.

The spelling of 242637912 in words is "two hundred forty-two million, six hundred thirty-seven thousand, nine hundred twelve".