68836825 has 12 divisors (see below), whose sum is σ = 90379260. Its totient is φ = 51829760.

The previous prime is 68836813. The next prime is 68836837. The reversal of 68836825 is 52863886.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68836813) and next prime (68836837).

It can be written as a sum of positive squares in 6 ways, for example, as 2202256 + 66634569 = 1484^2 + 8163^2 .

It is not a de Polignac number, because 68836825 - 2⁵ = 68836793 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80560 + ... + 81409.

It is an arithmetic number, because the mean of its divisors is an integer number (7531605).

Almost surely, 2^68836825 is an apocalyptic number.

It is an amenable number.

68836825 is a deficient number, since it is larger than the sum of its proper divisors (21542435).

68836825 is a wasteful number, since it uses less digits than its factorization.

68836825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161996 (or 161991 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The square root of 68836825 is about 8296.7960683628. The cubic root of 68836825 is about 409.8330174665.

The spelling of 68836825 in words is "sixty-eight million, eight hundred thirty-six thousand, eight hundred twenty-five".