249999672 has 48 divisors (see below), whose sum is σ = 676785240. Its totient is φ = 76921728.

The previous prime is 249999667. The next prime is 249999679. The reversal of 249999672 is 276999942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249999679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26763 + ... + 34874.

Almost surely, 2^249999672 is an apocalyptic number.

It is an amenable number.

249999672 is an abundant number, since it is smaller than the sum of its proper divisors (426785568).

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

249999672 is a wasteful number, since it uses less digits than its factorization.

249999672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61672 (or 61655 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 57.

The square root of 249999672 is about 15811.3779285678. The cubic root of 249999672 is about 629.9602494446.

The spelling of 249999672 in words is "two hundred forty-nine million, nine hundred ninety-nine thousand, six hundred seventy-two".