7798925 has 6 divisors (see below), whose sum is σ = 9670698. Its totient is φ = 6239120.

The previous prime is 7798919. The next prime is 7798927. The reversal of 7798925 is 5298977.

It can be written as a sum of positive squares in 3 ways, for example, as 1898884 + 5900041 = 1378^2 + 2429^2 .

It is not a de Polignac number, because 7798925 - 2⁸ = 7798669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7798925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7798927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 155954 + ... + 156003.

It is an arithmetic number, because the mean of its divisors is an integer number (1611783).

Almost surely, 2^7798925 is an apocalyptic number.

It is an amenable number.

7798925 is a deficient number, since it is larger than the sum of its proper divisors (1871773).

7798925 is a wasteful number, since it uses less digits than its factorization.

7798925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311967 (or 311962 counting only the distinct ones).

The product of its digits is 317520, while the sum is 47.

The square root of 7798925 is about 2792.6555462498. The cubic root of 7798925 is about 198.3101370293.

The spelling of 7798925 in words is "seven million, seven hundred ninety-eight thousand, nine hundred twenty-five".