253742672 has 20 divisors (see below), whose sum is σ = 491891136. Its totient is φ = 126803040.

The previous prime is 253742669. The next prime is 253742681. The reversal of 253742672 is 276247352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40793 + ... + 46599.

Almost surely, 2^253742672 is an apocalyptic number.

It is an amenable number.

253742672 is a deficient number, since it is larger than the sum of its proper divisors (238148464).

253742672 is a wasteful number, since it uses less digits than its factorization.

253742672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8546 (or 8540 counting only the distinct ones).

The product of its digits is 141120, while the sum is 38.

The square root of 253742672 is about 15929.3023073831. The cubic root of 253742672 is about 633.0886141018.

The spelling of 253742672 in words is "two hundred fifty-three million, seven hundred forty-two thousand, six hundred seventy-two".