249734730 has 32 divisors (see below), whose sum is σ = 684987264. Its totient is φ = 57082176.

The previous prime is 249734711. The next prime is 249734783. The reversal of 249734730 is 37437942.

249734730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594397 + ... + 594816.

It is an arithmetic number, because the mean of its divisors is an integer number (21405852).

Almost surely, 2^249734730 is an apocalyptic number.

249734730 is an abundant number, since it is smaller than the sum of its proper divisors (435252534).

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

249734730 is a wasteful number, since it uses less digits than its factorization.

249734730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189230.

The product of its (nonzero) digits is 127008, while the sum is 39.

The square root of 249734730 is about 15802.9975004744. The cubic root of 249734730 is about 629.7376332556.

The spelling of 249734730 in words is "two hundred forty-nine million, seven hundred thirty-four thousand, seven hundred thirty".