7431625 has 8 divisors (see below), whose sum is σ = 9274824. Its totient is φ = 5945200.

The previous prime is 7431617. The next prime is 7431637. The reversal of 7431625 is 5261347.

It can be written as a sum of positive squares in 4 ways, for example, as 11449 + 7420176 = 107^2 + 2724^2 .

It is not a de Polignac number, because 7431625 - 2³ = 7431617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7431593 and 7431602.

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, 29602 + ... + 29851.

It is an arithmetic number, because the mean of its divisors is an integer number (1159353).

Almost surely, 2^7431625 is an apocalyptic number.

It is an amenable number.

7431625 is a deficient number, since it is larger than the sum of its proper divisors (1843199).

7431625 is an equidigital number, since it uses as much as digits as its factorization.

7431625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59468 (or 59458 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 7431625 is about 2726.1006951322. The cubic root of 7431625 is about 195.1467227982.

The spelling of 7431625 in words is "seven million, four hundred thirty-one thousand, six hundred twenty-five".