68876506 has 4 divisors (see below), whose sum is σ = 103314762. Its totient is φ = 34438252.

The previous prime is 68876491. The next prime is 68876527. The reversal of 68876506 is 60567886.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60567886 = 2 ⋅30283943.

It can be written as a sum of positive squares in only one way, i.e., 47485881 + 21390625 = 6891^2 + 4625^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17219125 + ... + 17219128.

Almost surely, 2^68876506 is an apocalyptic number.

68876506 is a deficient number, since it is larger than the sum of its proper divisors (34438256).

68876506 is a wasteful number, since it uses less digits than its factorization.

68876506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34438255.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 68876506 is about 8299.1870686230. The cubic root of 68876506 is about 409.9117517782.

The spelling of 68876506 in words is "sixty-eight million, eight hundred seventy-six thousand, five hundred six".