68276690 has 64 divisors (see below), whose sum is σ = 135527040. Its totient is φ = 24675840.

The previous prime is 68276687. The next prime is 68276693. The reversal of 68276690 is 9667286.

It is an interprime number because it is at equal distance from previous prime (68276687) and next prime (68276693).

It is a super-2 number, since 2×68276690² = 9323412794712200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68276693) by changing a digit.

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, 498302 + ... + 498438.

It is an arithmetic number, because the mean of its divisors is an integer number (2117610).

Almost surely, 2^68276690 is an apocalyptic number.

68276690 is a deficient number, since it is larger than the sum of its proper divisors (67250350).

68276690 is a wasteful number, since it uses less digits than its factorization.

68276690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 68276690 is about 8262.9710153189. The cubic root of 68276690 is about 408.7183655031.

The spelling of 68276690 in words is "sixty-eight million, two hundred seventy-six thousand, six hundred ninety".