7919995 has 4 divisors (see below), whose sum is σ = 9504000. Its totient is φ = 6335992.

The previous prime is 7919993. The next prime is 7920019. The reversal of 7919995 is 5999197.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7919995 - 2¹ = 7919993 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (7919993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791995 + ... + 792004.

It is an arithmetic number, because the mean of its divisors is an integer number (2376000).

Almost surely, 2^7919995 is an apocalyptic number.

7919995 is a deficient number, since it is larger than the sum of its proper divisors (1584005).

7919995 is a wasteful number, since it uses less digits than its factorization.

7919995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584004.

The product of its digits is 229635, while the sum is 49.

The square root of 7919995 is about 2814.2485675576. The cubic root of 7919995 is about 199.3310567357.

The spelling of 7919995 in words is "seven million, nine hundred nineteen thousand, nine hundred ninety-five".