68276290 has 8 divisors (see below), whose sum is σ = 122897340. Its totient is φ = 27310512.

The previous prime is 68276281. The next prime is 68276309. The reversal of 68276290 is 9267286.

It can be written as a sum of positive squares in 2 ways, for example, as 64272289 + 4004001 = 8017^2 + 2001^2 .

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

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, 3413805 + ... + 3413824.

Almost surely, 2^68276290 is an apocalyptic number.

68276290 is a deficient number, since it is larger than the sum of its proper divisors (54621050).

68276290 is a wasteful number, since it uses less digits than its factorization.

68276290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6827636.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 68276290 is about 8262.9468109144. The cubic root of 68276290 is about 408.7175673407.

The spelling of 68276290 in words is "sixty-eight million, two hundred seventy-six thousand, two hundred ninety".