7149725 has 12 divisors (see below), whose sum is σ = 9672000. Its totient is φ = 5199600.

The previous prime is 7149713. The next prime is 7149731. The reversal of 7149725 is 5279417.

It is not a de Polignac number, because 7149725 - 2²⁰ = 6101149 is a prime.

It is a super-2 number, since 2×7149725² = 102237135151250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12725 + ... + 13274.

It is an arithmetic number, because the mean of its divisors is an integer number (806000).

Almost surely, 2^7149725 is an apocalyptic number.

It is an amenable number.

7149725 is a deficient number, since it is larger than the sum of its proper divisors (2522275).

7149725 is a wasteful number, since it uses less digits than its factorization.

7149725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26020 (or 26015 counting only the distinct ones).

The product of its digits is 17640, while the sum is 35.

The square root of 7149725 is about 2673.8969688453. The cubic root of 7149725 is about 192.6473824935.

The spelling of 7149725 in words is "seven million, one hundred forty-nine thousand, seven hundred twenty-five".