7267725 has 60 divisors (see below), whose sum is σ = 13968724. Its totient is φ = 3732480.

The previous prime is 7267717. The next prime is 7267739. The reversal of 7267725 is 5277627.

It can be written as a sum of positive squares in 6 ways, for example, as 26244 + 7241481 = 162^2 + 2691^2 .

It is not a de Polignac number, because 7267725 - 2³ = 7267717 is a prime.

It is a Duffinian number.

7267725 is a lucky number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 7267725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 74877 + ... + 74973.

Almost surely, 2^7267725 is an apocalyptic number.

7267725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7267725 is a deficient number, since it is larger than the sum of its proper divisors (6700999).

7267725 is a wasteful number, since it uses less digits than its factorization.

7267725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 142 counting only the distinct ones).

The product of its digits is 41160, while the sum is 36.

The square root of 7267725 is about 2695.8718441350. The cubic root of 7267725 is about 193.7014307671.

The spelling of 7267725 in words is "seven million, two hundred sixty-seven thousand, seven hundred twenty-five".