68886632 has 8 divisors (see below), whose sum is σ = 129162450. Its totient is φ = 34443312.

The previous prime is 68886617. The next prime is 68886641. The reversal of 68886632 is 23668886.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 44542276 + 24344356 = 6674^2 + 4934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4305407 + ... + 4305422.

Almost surely, 2^68886632 is an apocalyptic number.

It is an amenable number.

68886632 is a deficient number, since it is larger than the sum of its proper divisors (60275818).

68886632 is a wasteful number, since it uses less digits than its factorization.

68886632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8610835 (or 8610831 counting only the distinct ones).

The product of its digits is 663552, while the sum is 47.

The square root of 68886632 is about 8299.7971059539. The cubic root of 68886632 is about 409.9318387583.

The spelling of 68886632 in words is "sixty-eight million, eight hundred eighty-six thousand, six hundred thirty-two".