7999995 has 16 divisors (see below), whose sum is σ = 12858912. Its totient is φ = 4247040.

The previous prime is 7999993. The next prime is 8000009. The reversal of 7999995 is 5999997.

It is not a de Polignac number, because 7999995 - 2¹ = 7999993 is a prime.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 7 and 999995 contains 7999995 itself.

It is not an unprimeable number, because it can be changed into a prime (7999993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2509 + ... + 4721.

It is an arithmetic number, because the mean of its divisors is an integer number (803682).

Almost surely, 2^7999995 is an apocalyptic number.

7999995 is a deficient number, since it is larger than the sum of its proper divisors (4858917).

7999995 is a wasteful number, since it uses less digits than its factorization.

7999995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462.

The product of its digits is 2066715, while the sum is 57.

The square root of 7999995 is about 2828.4262408626. The cubic root of 7999995 is about 199.9999583333. Note that the first 4 decimals are identical.

The spelling of 7999995 in words is "seven million, nine hundred ninety-nine thousand, nine hundred ninety-five".