242528730 has 32 divisors (see below), whose sum is σ = 612705600. Its totient is φ = 61270272.

The previous prime is 242528723. The next prime is 242528731. The reversal of 242528730 is 37825242.

It is a junction number, because it is equal to n+sod(n) for n = 242528691 and 242528700.

It is not an unprimeable number, because it can be changed into a prime (242528731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212175 + ... + 213314.

It is an arithmetic number, because the mean of its divisors is an integer number (19147050).

Almost surely, 2^242528730 is an apocalyptic number.

242528730 is an abundant number, since it is smaller than the sum of its proper divisors (370176870).

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

242528730 is a wasteful number, since it uses less digits than its factorization.

242528730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425518.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 242528730 is about 15573.3339397831. Note that the first 3 decimals coincide. The cubic root of 242528730 is about 623.6214779854.

The spelling of 242528730 in words is "two hundred forty-two million, five hundred twenty-eight thousand, seven hundred thirty".