68669044 has 6 divisors (see below), whose sum is σ = 120170834. Its totient is φ = 34334520.

The previous prime is 68669033. The next prime is 68669093. The reversal of 68669044 is 44096686.

It can be written as a sum of positive squares in only one way, i.e., 67436944 + 1232100 = 8212^2 + 1110^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8583627 + ... + 8583634.

Almost surely, 2^68669044 is an apocalyptic number.

It is an amenable number.

68669044 is a deficient number, since it is larger than the sum of its proper divisors (51501790).

68669044 is a wasteful number, since it uses less digits than its factorization.

68669044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17167265 (or 17167263 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 68669044 is about 8286.6787074195. The cubic root of 68669044 is about 409.4997746340.

The spelling of 68669044 in words is "sixty-eight million, six hundred sixty-nine thousand, forty-four".