68987244 has 12 divisors (see below), whose sum is σ = 160970264. Its totient is φ = 22995744.

The previous prime is 68987239. The next prime is 68987311. The reversal of 68987244 is 44278986.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 68987193 and 68987202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2874457 + ... + 2874480.

Almost surely, 2^68987244 is an apocalyptic number.

It is an amenable number.

68987244 is an abundant number, since it is smaller than the sum of its proper divisors (91983020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68987244 is a wasteful number, since it uses less digits than its factorization.

68987244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5748944 (or 5748942 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 68987244 is about 8305.8560064571. The cubic root of 68987244 is about 410.1313162555.

The spelling of 68987244 in words is "sixty-eight million, nine hundred eighty-seven thousand, two hundred forty-four".