68667002 has 4 divisors (see below), whose sum is σ = 103000506. Its totient is φ = 34333500.

The previous prime is 68666993. The next prime is 68667013. The reversal of 68667002 is 20076686.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 64336441 + 4330561 = 8021^2 + 2081^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17166749 + ... + 17166752.

Almost surely, 2^68667002 is an apocalyptic number.

68667002 is a deficient number, since it is larger than the sum of its proper divisors (34333504).

68667002 is a wasteful number, since it uses less digits than its factorization.

68667002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34333503.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 68667002 is about 8286.5554967067. Note that the first 3 decimals coincide. The cubic root of 68667002 is about 409.4957155180.

The spelling of 68667002 in words is "sixty-eight million, six hundred sixty-seven thousand, two".