68073399 has 16 divisors (see below), whose sum is σ = 105235200. Its totient is φ = 43408728.

The previous prime is 68073391. The next prime is 68073413. The reversal of 68073399 is 99337086.

It is a happy number.

It is not a de Polignac number, because 68073399 - 2³ = 68073391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68073391) 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, 54189 + ... + 55430.

It is an arithmetic number, because the mean of its divisors is an integer number (6577200).

Almost surely, 2^68073399 is an apocalyptic number.

68073399 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

68073399 is a deficient number, since it is larger than the sum of its proper divisors (37161801).

68073399 is a wasteful number, since it uses less digits than its factorization.

68073399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109651 (or 109645 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 68073399 is about 8250.6605190130. The cubic root of 68073399 is about 408.3123149346.

The spelling of 68073399 in words is "sixty-eight million, seventy-three thousand, three hundred ninety-nine".