68043790 has 16 divisors (see below), whose sum is σ = 123375312. Its totient is φ = 27018304.

The previous prime is 68043763. The next prime is 68043797. The reversal of 68043790 is 9734086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68043797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23464 + ... + 26203.

It is an arithmetic number, because the mean of its divisors is an integer number (7710957).

Almost surely, 2^68043790 is an apocalyptic number.

68043790 is a deficient number, since it is larger than the sum of its proper divisors (55331522).

68043790 is a wasteful number, since it uses less digits than its factorization.

68043790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49811.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 68043790 is about 8248.8659826670. The cubic root of 68043790 is about 408.2531069191.

The spelling of 68043790 in words is "sixty-eight million, forty-three thousand, seven hundred ninety".