68213901 has 16 divisors (see below), whose sum is σ = 105371264. Its totient is φ = 38444544.

The previous prime is 68213881. The next prime is 68213909. The reversal of 68213901 is 10931286.

It is not a de Polignac number, because 68213901 - 2⁵ = 68213869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68213909) 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 15 ways as a sum of consecutive naturals, for example, 20716 + ... + 23781.

It is an arithmetic number, because the mean of its divisors is an integer number (6585704).

Almost surely, 2^68213901 is an apocalyptic number.

It is an amenable number.

68213901 is a deficient number, since it is larger than the sum of its proper divisors (37157363).

68213901 is a wasteful number, since it uses less digits than its factorization.

68213901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44580.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 68213901 is about 8259.1707210833. The cubic root of 68213901 is about 408.5930377704.

The spelling of 68213901 in words is "sixty-eight million, two hundred thirteen thousand, nine hundred one".