68803972 has 6 divisors (see below), whose sum is σ = 120406958. Its totient is φ = 34401984.

The previous prime is 68803963. The next prime is 68803991. The reversal of 68803972 is 27930886.

It can be written as a sum of positive squares in only one way, i.e., 58461316 + 10342656 = 7646^2 + 3216^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8600493 + ... + 8600500.

Almost surely, 2^68803972 is an apocalyptic number.

It is an amenable number.

68803972 is a deficient number, since it is larger than the sum of its proper divisors (51602986).

68803972 is a wasteful number, since it uses less digits than its factorization.

68803972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17200997 (or 17200995 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 68803972 is about 8294.8159714366. The cubic root of 68803972 is about 409.7678082481.

The spelling of 68803972 in words is "sixty-eight million, eight hundred three thousand, nine hundred seventy-two".