68652986 has 4 divisors (see below), whose sum is σ = 102979482. Its totient is φ = 34326492.

The previous prime is 68652979. The next prime is 68653001. The reversal of 68652986 is 68925686.

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., 56715961 + 11937025 = 7531^2 + 3455^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17163245 + ... + 17163248.

Almost surely, 2^68652986 is an apocalyptic number.

68652986 is a deficient number, since it is larger than the sum of its proper divisors (34326496).

68652986 is a wasteful number, since it uses less digits than its factorization.

68652986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34326495.

The product of its digits is 1244160, while the sum is 50.

The square root of 68652986 is about 8285.7097463042. The cubic root of 68652986 is about 409.4678521468.

The spelling of 68652986 in words is "sixty-eight million, six hundred fifty-two thousand, nine hundred eighty-six".