245736930 has 32 divisors (see below), whose sum is σ = 592579008. Its totient is φ = 65217600.

The previous prime is 245736929. The next prime is 245736977. The reversal of 245736930 is 39637542.

It is a Curzon number.

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, 13081 + ... + 25740.

It is an arithmetic number, because the mean of its divisors is an integer number (18518094).

Almost surely, 2^245736930 is an apocalyptic number.

245736930 is an abundant number, since it is smaller than the sum of its proper divisors (346842078).

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

245736930 is a wasteful number, since it uses less digits than its factorization.

245736930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39042.

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 245736930 is about 15675.9985327889. The cubic root of 245736930 is about 626.3592221481.

The spelling of 245736930 in words is "two hundred forty-five million, seven hundred thirty-six thousand, nine hundred thirty".