7957995 has 8 divisors (see below), whose sum is σ = 12732816. Its totient is φ = 4244256.

The previous prime is 7957991. The next prime is 7958009. The reversal of 7957995 is 5997597.

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 7957995 - 2² = 7957991 is a prime.

7957995 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7957991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265252 + ... + 265281.

It is an arithmetic number, because the mean of its divisors is an integer number (1591602).

Almost surely, 2^7957995 is an apocalyptic number.

7957995 is a deficient number, since it is larger than the sum of its proper divisors (4774821).

7957995 is a wasteful number, since it uses less digits than its factorization.

7957995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530541.

The product of its digits is 893025, while the sum is 51.

The square root of 7957995 is about 2820.9918468510. The cubic root of 7957995 is about 199.6493438941.

The spelling of 7957995 in words is "seven million, nine hundred fifty-seven thousand, nine hundred ninety-five".