68401794 has 16 divisors (see below), whose sum is σ = 138452832. Its totient is φ = 22525728.

The previous prime is 68401787. The next prime is 68401799. The reversal of 68401794 is 49710486.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68401799) by changing a digit.

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, 68179 + ... + 69174.

It is an arithmetic number, because the mean of its divisors is an integer number (8653302).

Almost surely, 2^68401794 is an apocalyptic number.

68401794 is an abundant number, since it is smaller than the sum of its proper divisors (70051038).

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

68401794 is a wasteful number, since it uses less digits than its factorization.

68401794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137441.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 68401794 is about 8270.5377092424. The cubic root of 68401794 is about 408.9678459826.

The spelling of 68401794 in words is "sixty-eight million, four hundred one thousand, seven hundred ninety-four".