68465897 has 8 divisors (see below), whose sum is σ = 71799240. Its totient is φ = 65197440.

The previous prime is 68465879. The next prime is 68465923. The reversal of 68465897 is 79856486.

It can be written as a sum of positive squares in 4 ways, for example, as 2920681 + 65545216 = 1709^2 + 8096^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68465897 - 2⁶ = 68465833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68462897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14054 + ... + 18287.

It is an arithmetic number, because the mean of its divisors is an integer number (8974905).

Almost surely, 2^68465897 is an apocalyptic number.

It is an amenable number.

68465897 is a deficient number, since it is larger than the sum of its proper divisors (3333343).

68465897 is a wasteful number, since it uses less digits than its factorization.

68465897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32443.

The product of its digits is 2903040, while the sum is 53.

The square root of 68465897 is about 8274.4121845603. The cubic root of 68465897 is about 409.0955613493.

The spelling of 68465897 in words is "sixty-eight million, four hundred sixty-five thousand, eight hundred ninety-seven".