68564495 has 16 divisors (see below), whose sum is σ = 86952960. Its totient is φ = 51795744.

The previous prime is 68564477. The next prime is 68564501. The reversal of 68564495 is 59446586.

It is a cyclic number.

It is not a de Polignac number, because 68564495 - 2¹⁰ = 68563471 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5312 + ... + 12858.

It is an arithmetic number, because the mean of its divisors is an integer number (5434560).

Almost surely, 2^68564495 is an apocalyptic number.

68564495 is a deficient number, since it is larger than the sum of its proper divisors (18388465).

68564495 is a wasteful number, since it uses less digits than its factorization.

68564495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7654.

The product of its digits is 1036800, while the sum is 47.

The square root of 68564495 is about 8280.3680473757. The cubic root of 68564495 is about 409.2918471827.

The spelling of 68564495 in words is "sixty-eight million, five hundred sixty-four thousand, four hundred ninety-five".