68792609 has 4 divisors (see below), whose sum is σ = 71783616. Its totient is φ = 65801604.

The previous prime is 68792599. The next prime is 68792621. The reversal of 68792609 is 90629786.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68792609 - 2⁴ = 68792593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68792809) 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, 1495469 + ... + 1495514.

It is an arithmetic number, because the mean of its divisors is an integer number (17945904).

Almost surely, 2^68792609 is an apocalyptic number.

It is an amenable number.

68792609 is a deficient number, since it is larger than the sum of its proper divisors (2991007).

68792609 is a wasteful number, since it uses less digits than its factorization.

68792609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991006.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 68792609 is about 8294.1309972775. The cubic root of 68792609 is about 409.7452492406.

The spelling of 68792609 in words is "sixty-eight million, seven hundred ninety-two thousand, six hundred nine".