7145272 has 16 divisors (see below), whose sum is σ = 13980240. Its totient is φ = 3417216.

The previous prime is 7145251. The next prime is 7145291. The reversal of 7145272 is 2725417.

It is a self number, because there is not a number n which added to its sum of digits gives 7145272.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19233 + ... + 19600.

It is an arithmetic number, because the mean of its divisors is an integer number (873765).

Almost surely, 2^7145272 is an apocalyptic number.

It is an amenable number.

7145272 is a deficient number, since it is larger than the sum of its proper divisors (6834968).

7145272 is a wasteful number, since it uses less digits than its factorization.

7145272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38862 (or 38858 counting only the distinct ones).

The product of its digits is 3920, while the sum is 28.

The square root of 7145272 is about 2673.0641593497. The cubic root of 7145272 is about 192.6073792321.

The spelling of 7145272 in words is "seven million, one hundred forty-five thousand, two hundred seventy-two".