7409725 has 12 divisors (see below), whose sum is σ = 9413460. Its totient is φ = 5782400.

The previous prime is 7409669. The next prime is 7409737. The reversal of 7409725 is 5279047.

It can be written as a sum of positive squares in 6 ways, for example, as 22201 + 7387524 = 149^2 + 2718^2 .

It is not a de Polignac number, because 7409725 - 2¹¹ = 7407677 is a prime.

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, 2590 + ... + 4639.

It is an arithmetic number, because the mean of its divisors is an integer number (784455).

Almost surely, 2^7409725 is an apocalyptic number.

It is an amenable number.

7409725 is a deficient number, since it is larger than the sum of its proper divisors (2003735).

7409725 is a wasteful number, since it uses less digits than its factorization.

7409725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7280 (or 7275 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 7409725 is about 2722.0810054074. The cubic root of 7409725 is about 194.9548438065.

The spelling of 7409725 in words is "seven million, four hundred nine thousand, seven hundred twenty-five".