249704272 has 10 divisors (see below), whose sum is σ = 483802058. Its totient is φ = 124852128.

The previous prime is 249704267. The next prime is 249704291. The reversal of 249704272 is 272407942.

249704272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 241615936 + 8088336 = 15544^2 + 2844^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7803243 + ... + 7803274.

Almost surely, 2^249704272 is an apocalyptic number.

It is an amenable number.

249704272 is a deficient number, since it is larger than the sum of its proper divisors (234097786).

249704272 is a wasteful number, since it uses less digits than its factorization.

249704272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15606525 (or 15606519 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 249704272 is about 15802.0337931546. The cubic root of 249704272 is about 629.7120309847.

The spelling of 249704272 in words is "two hundred forty-nine million, seven hundred four thousand, two hundred seventy-two".