68026915 has 16 divisors (see below), whose sum is σ = 89763840. Its totient is φ = 49079520.

The previous prime is 68026901. The next prime is 68026919. The reversal of 68026915 is 51962086.

It is not a de Polignac number, because 68026915 - 2²³ = 59638307 is a prime.

It is a super-2 number, since 2×68026915² = 9255322328834450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68026919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2116 + ... + 11854.

It is an arithmetic number, because the mean of its divisors is an integer number (5610240).

Almost surely, 2^68026915 is an apocalyptic number.

68026915 is a deficient number, since it is larger than the sum of its proper divisors (21736925).

68026915 is a wasteful number, since it uses less digits than its factorization.

68026915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9882.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 68026915 is about 8247.8430513680. The cubic root of 68026915 is about 408.2193549251.

The spelling of 68026915 in words is "sixty-eight million, twenty-six thousand, nine hundred fifteen".