250772720 has 40 divisors (see below), whose sum is σ = 636053040. Its totient is φ = 91189760.

The previous prime is 250772713. The next prime is 250772737. The reversal of 250772720 is 27277052.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141605 + ... + 143364.

It is an arithmetic number, because the mean of its divisors is an integer number (15901326).

Almost surely, 2^250772720 is an apocalyptic number.

250772720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250772720 is an abundant number, since it is smaller than the sum of its proper divisors (385280320).

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

250772720 is a wasteful number, since it uses less digits than its factorization.

250772720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284993 (or 284987 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 250772720 is about 15835.8050000624. The cubic root of 250772720 is about 630.6089015166.

The spelling of 250772720 in words is "two hundred fifty million, seven hundred seventy-two thousand, seven hundred twenty".