242600728 has 8 divisors (see below), whose sum is σ = 454876380. Its totient is φ = 121300360.

The previous prime is 242600723. The next prime is 242600737. The reversal of 242600728 is 827006242.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×242600728² = 117710226452259968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242600728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242600723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15162538 + ... + 15162553.

Almost surely, 2^242600728 is an apocalyptic number.

It is an amenable number.

242600728 is a deficient number, since it is larger than the sum of its proper divisors (212275652).

242600728 is a wasteful number, since it uses less digits than its factorization.

242600728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30325097 (or 30325093 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 242600728 is about 15575.6453477858. The cubic root of 242600728 is about 623.6831820934.

The spelling of 242600728 in words is "two hundred forty-two million, six hundred thousand, seven hundred twenty-eight".