68373957 has 4 divisors (see below), whose sum is σ = 91165280. Its totient is φ = 45582636.

The previous prime is 68373953. The next prime is 68373973. The reversal of 68373957 is 75937386.

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 not a de Polignac number, because 68373957 - 2² = 68373953 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 (68373953) 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, 11395657 + ... + 11395662.

It is an arithmetic number, because the mean of its divisors is an integer number (22791320).

Almost surely, 2^68373957 is an apocalyptic number.

It is an amenable number.

68373957 is a deficient number, since it is larger than the sum of its proper divisors (22791323).

68373957 is a wasteful number, since it uses less digits than its factorization.

68373957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22791322.

The product of its digits is 952560, while the sum is 48.

The square root of 68373957 is about 8268.8546365261. The cubic root of 68373957 is about 408.9123601931.

The spelling of 68373957 in words is "sixty-eight million, three hundred seventy-three thousand, nine hundred fifty-seven".