67996079 has 4 divisors (see below), whose sum is σ = 71574840. Its totient is φ = 64417320.

The previous prime is 67996063. The next prime is 67996091. The reversal of 67996079 is 97069976.

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 67996079 - 2⁴ = 67996063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67996079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67996009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1789352 + ... + 1789389.

It is an arithmetic number, because the mean of its divisors is an integer number (17893710).

Almost surely, 2^67996079 is an apocalyptic number.

67996079 is a deficient number, since it is larger than the sum of its proper divisors (3578761).

67996079 is a wasteful number, since it uses less digits than its factorization.

67996079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578760.

The product of its (nonzero) digits is 1285956, while the sum is 53.

The square root of 67996079 is about 8245.9735022616. The cubic root of 67996079 is about 408.1576648597.

The spelling of 67996079 in words is "sixty-seven million, nine hundred ninety-six thousand, seventy-nine".