68583479 has 2 divisors, whose sum is σ = 68583480. Its totient is φ = 68583478.

The previous prime is 68583421. The next prime is 68583511. The reversal of 68583479 is 97438586.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68583479 - 2²⁰ = 67534903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68583379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34291739 + 34291740.

It is an arithmetic number, because the mean of its divisors is an integer number (34291740).

Almost surely, 2^68583479 is an apocalyptic number.

68583479 is a deficient number, since it is larger than the sum of its proper divisors (1).

68583479 is an equidigital number, since it uses as much as digits as its factorization.

68583479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The square root of 68583479 is about 8281.5142938958. The cubic root of 68583479 is about 409.3296183324.

The spelling of 68583479 in words is "sixty-eight million, five hundred eighty-three thousand, four hundred seventy-nine".