68195402 has 32 divisors (see below), whose sum is σ = 115271424. Its totient is φ = 29992000.

The previous prime is 68195401. The next prime is 68195419. The reversal of 68195402 is 20459186.

It is a super-2 number, since 2×68195402² = 9301225707883208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68195401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104108 + ... + 104760.

It is an arithmetic number, because the mean of its divisors is an integer number (3602232).

Almost surely, 2^68195402 is an apocalyptic number.

68195402 is a deficient number, since it is larger than the sum of its proper divisors (47076022).

68195402 is a wasteful number, since it uses less digits than its factorization.

68195402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 68195402 is about 8258.0507385218. The cubic root of 68195402 is about 408.5560988382.

It can be divided in two parts, 6819 and 5402, that added together give a palindrome (12221).

The spelling of 68195402 in words is "sixty-eight million, one hundred ninety-five thousand, four hundred two".