68265983 has 4 divisors (see below), whose sum is σ = 69853608. Its totient is φ = 66678360.

The previous prime is 68265947. The next prime is 68265991. The reversal of 68265983 is 38956286.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38956286 = 2 ⋅19478143.

It is a cyclic number.

It is not a de Polignac number, because 68265983 - 2⁶ = 68265919 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 (68265083) 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, 793748 + ... + 793833.

It is an arithmetic number, because the mean of its divisors is an integer number (17463402).

Almost surely, 2^68265983 is an apocalyptic number.

68265983 is a deficient number, since it is larger than the sum of its proper divisors (1587625).

68265983 is a wasteful number, since it uses less digits than its factorization.

68265983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587624.

The product of its digits is 622080, while the sum is 47.

The square root of 68265983 is about 8262.3230994678. The cubic root of 68265983 is about 408.6969996152.

The spelling of 68265983 in words is "sixty-eight million, two hundred sixty-five thousand, nine hundred eighty-three".