68350715 has 4 divisors (see below), whose sum is σ = 82020864. Its totient is φ = 54680568.

The previous prime is 68350699. The next prime is 68350741. The reversal of 68350715 is 51705386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51705386 = 2 ⋅25852693.

It is a cyclic number.

It is not a de Polignac number, because 68350715 - 2⁴ = 68350699 is a prime.

It is a super-2 number, since 2×68350715² = 9343640482022450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6835067 + ... + 6835076.

It is an arithmetic number, because the mean of its divisors is an integer number (20505216).

Almost surely, 2^68350715 is an apocalyptic number.

68350715 is a deficient number, since it is larger than the sum of its proper divisors (13670149).

68350715 is a wasteful number, since it uses less digits than its factorization.

68350715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13670148.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 68350715 is about 8267.4491229157. The cubic root of 68350715 is about 408.8660217988.

The spelling of 68350715 in words is "sixty-eight million, three hundred fifty thousand, seven hundred fifteen".