252730746 has 16 divisors (see below), whose sum is σ = 561624000. Its totient is φ = 84243564.

The previous prime is 252730741. The next prime is 252730759. The reversal of 252730746 is 647037252.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 252730746.

It is not an unprimeable number, because it can be changed into a prime (252730741) 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, 2340046 + ... + 2340153.

It is an arithmetic number, because the mean of its divisors is an integer number (35101500).

Almost surely, 2^252730746 is an apocalyptic number.

252730746 is an abundant number, since it is smaller than the sum of its proper divisors (308893254).

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

252730746 is a wasteful number, since it uses less digits than its factorization.

252730746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680210 (or 4680204 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 252730746 is about 15897.5075404920. The cubic root of 252730746 is about 632.2459068839.

Adding to 252730746 its reverse (647037252), we get a palindrome (899767998).

The spelling of 252730746 in words is "two hundred fifty-two million, seven hundred thirty thousand, seven hundred forty-six".