68673961 has 8 divisors (see below), whose sum is σ = 74242880. Its totient is φ = 63300528.

The previous prime is 68673953. The next prime is 68673971. The reversal of 68673961 is 16937686.

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

It is a cyclic number.

It is not a de Polignac number, because 68673961 - 2³ = 68673953 is a prime.

It is a super-2 number, since 2×68673961² = 9432225838859042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68673971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48141 + ... + 49546.

It is an arithmetic number, because the mean of its divisors is an integer number (9280360).

Almost surely, 2^68673961 is an apocalyptic number.

It is an amenable number.

68673961 is a deficient number, since it is larger than the sum of its proper divisors (5568919).

68673961 is a wasteful number, since it uses less digits than its factorization.

68673961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97743.

The product of its digits is 326592, while the sum is 46.

The square root of 68673961 is about 8286.9753830936. The cubic root of 68673961 is about 409.5095483846.

It can be divided in two parts, 686 and 73961, that added together give a palindrome (74647).

The spelling of 68673961 in words is "sixty-eight million, six hundred seventy-three thousand, nine hundred sixty-one".