253744272 has 40 divisors (see below), whose sum is σ = 728341280. Its totient is φ = 84581280.

The previous prime is 253744243. The next prime is 253744291. The reversal of 253744272 is 272447352.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293254 + ... + 294117.

It is an arithmetic number, because the mean of its divisors is an integer number (18208532).

Almost surely, 2^253744272 is an apocalyptic number.

It is an amenable number.

253744272 is an abundant number, since it is smaller than the sum of its proper divisors (474597008).

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

253744272 is a wasteful number, since it uses less digits than its factorization.

253744272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587388 (or 587376 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 253744272 is about 15929.3525292147. The cubic root of 253744272 is about 633.0899447670.

Adding to 253744272 its product of digits (94080), we get a palindrome (253838352).

It can be divided in two parts, 253744 and 272, that added together give a square (254016 = 504²).

The spelling of 253744272 in words is "two hundred fifty-three million, seven hundred forty-four thousand, two hundred seventy-two".