68982939 has 24 divisors (see below), whose sum is σ = 105877200. Its totient is φ = 43156800.

The previous prime is 68982937. The next prime is 68982941. The reversal of 68982939 is 93928986.

It is an interprime number because it is at equal distance from previous prime (68982937) and next prime (68982941).

It is not a de Polignac number, because 68982939 - 2¹ = 68982937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68982931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16789 + ... + 20489.

It is an arithmetic number, because the mean of its divisors is an integer number (4411550).

Almost surely, 2^68982939 is an apocalyptic number.

68982939 is a deficient number, since it is larger than the sum of its proper divisors (36894261).

68982939 is a wasteful number, since it uses less digits than its factorization.

68982939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835 (or 3832 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 68982939 is about 8305.5968479092. The cubic root of 68982939 is about 410.1227849583.

The spelling of 68982939 in words is "sixty-eight million, nine hundred eighty-two thousand, nine hundred thirty-nine".