8078725 has 6 divisors (see below), whose sum is σ = 10017650. Its totient is φ = 6462960.

The previous prime is 8078701. The next prime is 8078747. The reversal of 8078725 is 5278708.

8078725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 494209 + 7584516 = 703^2 + 2754^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8078725 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161550 + ... + 161599.

Almost surely, 2^8078725 is an apocalyptic number.

It is an amenable number.

8078725 is a deficient number, since it is larger than the sum of its proper divisors (1938925).

8078725 is a wasteful number, since it uses less digits than its factorization.

8078725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323159 (or 323154 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 8078725 is about 2842.3098001449. The cubic root of 8078725 is about 200.6539014015.

The spelling of 8078725 in words is "eight million, seventy-eight thousand, seven hundred twenty-five".