67968213 has 16 divisors (see below), whose sum is σ = 95089152. Its totient is φ = 43128000.

The previous prime is 67968211. The next prime is 67968221. The reversal of 67968213 is 31286976.

It is a happy number.

It is not a de Polignac number, because 67968213 - 2¹ = 67968211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67968211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318 + ... + 11663.

It is an arithmetic number, because the mean of its divisors is an integer number (5943072).

Almost surely, 2^67968213 is an apocalyptic number.

It is an amenable number.

67968213 is a deficient number, since it is larger than the sum of its proper divisors (27120939).

67968213 is a wasteful number, since it uses less digits than its factorization.

67968213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12076.

The product of its digits is 108864, while the sum is 42.

The square root of 67968213 is about 8244.2836559643. The cubic root of 67968213 is about 408.1019004896.

The spelling of 67968213 in words is "sixty-seven million, nine hundred sixty-eight thousand, two hundred thirteen".