7279825 has 24 divisors (see below), whose sum is σ = 10927872. Its totient is φ = 4696320.

The previous prime is 7279817. The next prime is 7279829. The reversal of 7279825 is 5289727.

It is not a de Polignac number, because 7279825 - 2³ = 7279817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7279829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1752 + ... + 4198.

It is an arithmetic number, because the mean of its divisors is an integer number (455328).

Almost surely, 2^7279825 is an apocalyptic number.

It is an amenable number.

7279825 is a deficient number, since it is larger than the sum of its proper divisors (3648047).

7279825 is a wasteful number, since it uses less digits than its factorization.

7279825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481 (or 2476 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

The square root of 7279825 is about 2698.1150827939. The cubic root of 7279825 is about 193.8088686881.

It can be divided in two parts, 72 and 79825, that added together give a palindrome (79897).

The spelling of 7279825 in words is "seven million, two hundred seventy-nine thousand, eight hundred twenty-five".