68296515 has 32 divisors (see below), whose sum is σ = 126944256. Its totient is φ = 30706560.

The previous prime is 68296493. The next prime is 68296523. The reversal of 68296515 is 51569286.

It is not a de Polignac number, because 68296515 - 2⁵ = 68296483 is a prime.

It is a super-2 number, since 2×68296515² = 9328827922290450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1074 + ... + 11736.

It is an arithmetic number, because the mean of its divisors is an integer number (3967008).

Almost surely, 2^68296515 is an apocalyptic number.

68296515 is a deficient number, since it is larger than the sum of its proper divisors (58647741).

68296515 is a wasteful number, since it uses less digits than its factorization.

68296515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10739.

The product of its digits is 129600, while the sum is 42.

The square root of 68296515 is about 8264.1705572913. The cubic root of 68296515 is about 408.7579205229.

The spelling of 68296515 in words is "sixty-eight million, two hundred ninety-six thousand, five hundred fifteen".