68972884 has 12 divisors (see below), whose sum is σ = 123965044. Its totient is φ = 33554304.

The previous prime is 68972867. The next prime is 68972887. The reversal of 68972884 is 48827986.

It can be written as a sum of positive squares in 2 ways, for example, as 25280784 + 43692100 = 5028^2 + 6610^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68972887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232869 + ... + 233164.

Almost surely, 2^68972884 is an apocalyptic number.

It is an amenable number.

68972884 is a deficient number, since it is larger than the sum of its proper divisors (54992160).

68972884 is a wasteful number, since it uses less digits than its factorization.

68972884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466074 (or 466072 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 52.

The square root of 68972884 is about 8304.9915111335. The cubic root of 68972884 is about 410.1028573983.

The spelling of 68972884 in words is "sixty-eight million, nine hundred seventy-two thousand, eight hundred eighty-four".