68695481 has 4 divisors (see below), whose sum is σ = 69021264. Its totient is φ = 68369700.

The previous prime is 68695447. The next prime is 68695493. The reversal of 68695481 is 18459686.

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 68695481 - 2²⁶ = 1586617 is a prime.

It is a super-2 number, since 2×68695481² = 9438138219642722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68695441) 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, 162575 + ... + 162996.

It is an arithmetic number, because the mean of its divisors is an integer number (17255316).

Almost surely, 2^68695481 is an apocalyptic number.

It is an amenable number.

68695481 is a deficient number, since it is larger than the sum of its proper divisors (325783).

68695481 is a wasteful number, since it uses less digits than its factorization.

68695481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325782.

The product of its digits is 414720, while the sum is 47.

The square root of 68695481 is about 8288.2737044574. The cubic root of 68695481 is about 409.5523192058.

The spelling of 68695481 in words is "sixty-eight million, six hundred ninety-five thousand, four hundred eighty-one".