68721204 has 12 divisors (see below), whose sum is σ = 160349504. Its totient is φ = 22907064.

The previous prime is 68721199. The next prime is 68721239. The reversal of 68721204 is 40212786.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2863372 + ... + 2863395.

Almost surely, 2^68721204 is an apocalyptic number.

It is an amenable number.

68721204 is an abundant number, since it is smaller than the sum of its proper divisors (91628300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68721204 is a wasteful number, since it uses less digits than its factorization.

68721204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5726774 (or 5726772 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 68721204 is about 8289.8253298848. The cubic root of 68721204 is about 409.6034317365.

The spelling of 68721204 in words is "sixty-eight million, seven hundred twenty-one thousand, two hundred four".