68372913 has 8 divisors (see below), whose sum is σ = 104187328. Its totient is φ = 39070224.

The previous prime is 68372903. The next prime is 68372947. The reversal of 68372913 is 31927386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68372913 - 2¹⁰ = 68371889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68372903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1627906 + ... + 1627947.

It is an arithmetic number, because the mean of its divisors is an integer number (13023416).

Almost surely, 2^68372913 is an apocalyptic number.

It is an amenable number.

68372913 is a deficient number, since it is larger than the sum of its proper divisors (35814415).

68372913 is a wasteful number, since it uses less digits than its factorization.

68372913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255863.

The product of its digits is 54432, while the sum is 39.

The square root of 68372913 is about 8268.7915078323. The cubic root of 68372913 is about 408.9102789588.

The spelling of 68372913 in words is "sixty-eight million, three hundred seventy-two thousand, nine hundred thirteen".