68383090 has 16 divisors (see below), whose sum is σ = 129568320. Its totient is φ = 25913520.

The previous prime is 68383087. The next prime is 68383097. The reversal of 68383090 is 9038386.

It is a happy number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (68383097) 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, 179766 + ... + 180145.

It is an arithmetic number, because the mean of its divisors is an integer number (8098020).

Almost surely, 2^68383090 is an apocalyptic number.

68383090 is a deficient number, since it is larger than the sum of its proper divisors (61185230).

68383090 is a wasteful number, since it uses less digits than its factorization.

68383090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359937.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 68383090 is about 8269.4068711123. The cubic root of 68383090 is about 408.9305661031.

The spelling of 68383090 in words is "sixty-eight million, three hundred eighty-three thousand, ninety".