68613867 has 36 divisors (see below), whose sum is σ = 116141376. Its totient is φ = 38918880.

The previous prime is 68613863. The next prime is 68613871. The reversal of 68613867 is 76831686.

It is an interprime number because it is at equal distance from previous prime (68613863) and next prime (68613871).

It is not a de Polignac number, because 68613867 - 2² = 68613863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68613863) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 68742 + ... + 69732.

Almost surely, 2^68613867 is an apocalyptic number.

68613867 is a deficient number, since it is larger than the sum of its proper divisors (47527509).

68613867 is a wasteful number, since it uses less digits than its factorization.

68613867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 1158 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 68613867 is about 8283.3487793283. The cubic root of 68613867 is about 409.3900647254.

The spelling of 68613867 in words is "sixty-eight million, six hundred thirteen thousand, eight hundred sixty-seven".