68400262 has 16 divisors (see below), whose sum is σ = 117909792. Its totient is φ = 29151360.

The previous prime is 68400223. The next prime is 68400271. The reversal of 68400262 is 26200486.

It is a self number, because there is not a number n which added to its sum of digits gives 68400262.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10963 + ... + 16030.

It is an arithmetic number, because the mean of its divisors is an integer number (7369362).

Almost surely, 2^68400262 is an apocalyptic number.

68400262 is a deficient number, since it is larger than the sum of its proper divisors (49509530).

68400262 is a wasteful number, since it uses less digits than its factorization.

68400262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27183.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 68400262 is about 8270.4450908038. The cubic root of 68400262 is about 408.9647927322.

The spelling of 68400262 in words is "sixty-eight million, four hundred thousand, two hundred sixty-two".