7425865 has 8 divisors (see below), whose sum is σ = 9380160. Its totient is φ = 5627952.

The previous prime is 7425857. The next prime is 7425877. The reversal of 7425865 is 5685247.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7425865 - 2³ = 7425857 is a prime.

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, 38989 + ... + 39178.

It is an arithmetic number, because the mean of its divisors is an integer number (1172520).

Almost surely, 2^7425865 is an apocalyptic number.

It is an amenable number.

7425865 is a deficient number, since it is larger than the sum of its proper divisors (1954295).

7425865 is a wasteful number, since it uses less digits than its factorization.

7425865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78191.

The product of its digits is 67200, while the sum is 37.

The square root of 7425865 is about 2725.0440363414. The cubic root of 7425865 is about 195.0962925692.

The spelling of 7425865 in words is "seven million, four hundred twenty-five thousand, eight hundred sixty-five".