68911002 has 12 divisors (see below), whose sum is σ = 149307210. Its totient is φ = 22970328.

The previous prime is 68911001. The next prime is 68911033. The reversal of 68911002 is 20011986.

It can be written as a sum of positive squares in only one way, i.e., 67223601 + 1687401 = 8199^2 + 1299^2 .

It is not an unprimeable number, because it can be changed into a prime (68911001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1914177 + ... + 1914212.

Almost surely, 2^68911002 is an apocalyptic number.

68911002 is an abundant number, since it is smaller than the sum of its proper divisors (80396208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68911002 is a wasteful number, since it uses less digits than its factorization.

68911002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828397 (or 3828394 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 68911002 is about 8301.2650843109. The cubic root of 68911002 is about 409.9801735406.

Adding to 68911002 its reverse (20011986), we get a palindrome (88922988).

The spelling of 68911002 in words is "sixty-eight million, nine hundred eleven thousand, two".