68712949 has 8 divisors (see below), whose sum is σ = 72433440. Its totient is φ = 65002896.

The previous prime is 68712913. The next prime is 68712953. The reversal of 68712949 is 94921786.

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 68712949 - 2⁹ = 68712437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68712899 and 68712908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68512949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13527 + ... + 17899.

It is an arithmetic number, because the mean of its divisors is an integer number (9054180).

Almost surely, 2^68712949 is an apocalyptic number.

It is an amenable number.

68712949 is a deficient number, since it is larger than the sum of its proper divisors (3720491).

68712949 is a wasteful number, since it uses less digits than its factorization.

68712949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5219.

The product of its digits is 217728, while the sum is 46.

The square root of 68712949 is about 8289.3274154180. The cubic root of 68712949 is about 409.5870301431.

The spelling of 68712949 in words is "sixty-eight million, seven hundred twelve thousand, nine hundred forty-nine".