68423090 has 32 divisors (see below), whose sum is σ = 125991936. Its totient is φ = 26746560.

The previous prime is 68423087. The next prime is 68423099. The reversal of 68423090 is 9032486.

It is not an unprimeable number, because it can be changed into a prime (68423099) 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, 135779 + ... + 136281.

It is an arithmetic number, because the mean of its divisors is an integer number (3937248).

Almost surely, 2^68423090 is an apocalyptic number.

68423090 is a deficient number, since it is larger than the sum of its proper divisors (57568846).

68423090 is a wasteful number, since it uses less digits than its factorization.

68423090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 68423090 is about 8271.8250706842. The cubic root of 68423090 is about 409.0102838343.

The spelling of 68423090 in words is "sixty-eight million, four hundred twenty-three thousand, ninety".