242730475637 has 8 divisors (see below), whose sum is σ = 261606768696. Its totient is φ = 223883428032.

The previous prime is 242730475619. The next prime is 242730475651. The reversal of 242730475637 is 736574037242.

It can be written as a sum of positive squares in 4 ways, for example, as 2408944561 + 240321531076 = 49081^2 + 490226^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242730475637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242730475837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7294118 + ... + 7327319.

It is an arithmetic number, because the mean of its divisors is an integer number (32700846087).

Almost surely, 2^242730475637 is an apocalyptic number.

It is an amenable number.

242730475637 is a deficient number, since it is larger than the sum of its proper divisors (18876293059).

242730475637 is a wasteful number, since it uses less digits than its factorization.

242730475637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14622727.

The product of its (nonzero) digits is 5927040, while the sum is 50.

The spelling of 242730475637 in words is "two hundred forty-two billion, seven hundred thirty million, four hundred seventy-five thousand, six hundred thirty-seven".