68005373 has 4 divisors (see below), whose sum is σ = 68159328. Its totient is φ = 67851420.

The previous prime is 68005361. The next prime is 68005387. The reversal of 68005373 is 37350086.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68005373 - 2⁶ = 68005309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68005073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76313 + ... + 77198.

It is an arithmetic number, because the mean of its divisors is an integer number (17039832).

Almost surely, 2^68005373 is an apocalyptic number.

It is an amenable number.

68005373 is a deficient number, since it is larger than the sum of its proper divisors (153955).

68005373 is a wasteful number, since it uses less digits than its factorization.

68005373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153954.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 68005373 is about 8246.5370307784. The cubic root of 68005373 is about 408.1762602678.

The spelling of 68005373 in words is "sixty-eight million, five thousand, three hundred seventy-three".