68592157 has 4 divisors (see below), whose sum is σ = 68665536. Its totient is φ = 68518780.

The previous prime is 68592151. The next prime is 68592169. The reversal of 68592157 is 75129586.

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 68592157 - 2¹⁹ = 68067869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68592151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35269 + ... + 37162.

It is an arithmetic number, because the mean of its divisors is an integer number (17166384).

Almost surely, 2^68592157 is an apocalyptic number.

It is an amenable number.

68592157 is a deficient number, since it is larger than the sum of its proper divisors (73379).

68592157 is an equidigital number, since it uses as much as digits as its factorization.

68592157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73378.

The product of its digits is 151200, while the sum is 43.

The square root of 68592157 is about 8282.0382153187. The cubic root of 68592157 is about 409.3468820266.

The spelling of 68592157 in words is "sixty-eight million, five hundred ninety-two thousand, one hundred fifty-seven".