68332931 has 8 divisors (see below), whose sum is σ = 71483424. Its totient is φ = 65197440.

The previous prime is 68332919. The next prime is 68332933. The reversal of 68332931 is 13923386.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68332931 is a prime.

It is a super-2 number, since 2×68332931² = 9338778918101522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68332891 and 68332900.

It is not an unprimeable number, because it can be changed into a prime (68332933) 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, 6155 + ... + 13211.

It is an arithmetic number, because the mean of its divisors is an integer number (8935428).

Almost surely, 2^68332931 is an apocalyptic number.

68332931 is a deficient number, since it is larger than the sum of its proper divisors (3150493).

68332931 is a wasteful number, since it uses less digits than its factorization.

68332931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501.

The product of its digits is 23328, while the sum is 35.

The square root of 68332931 is about 8266.3735095869. The cubic root of 68332931 is about 408.8305581168.

The spelling of 68332931 in words is "sixty-eight million, three hundred thirty-two thousand, nine hundred thirty-one".