68465615 has 8 divisors (see below), whose sum is σ = 82634688. Its totient is φ = 54455200.

The previous prime is 68465609. The next prime is 68465623. The reversal of 68465615 is 51656486.

It is a happy number.

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

It is not a de Polignac number, because 68465615 - 2⁴ = 68465599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38711 + ... + 40440.

It is an arithmetic number, because the mean of its divisors is an integer number (10329336).

Almost surely, 2^68465615 is an apocalyptic number.

68465615 is a deficient number, since it is larger than the sum of its proper divisors (14169073).

68465615 is a wasteful number, since it uses less digits than its factorization.

68465615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79329.

The product of its digits is 172800, while the sum is 41.

The square root of 68465615 is about 8274.3951440574. The cubic root of 68465615 is about 409.0949996823.

The spelling of 68465615 in words is "sixty-eight million, four hundred sixty-five thousand, six hundred fifteen".