68073885 has 32 divisors (see below), whose sum is σ = 132024960. Its totient is φ = 33004800.

The previous prime is 68073871. The next prime is 68073911. The reversal of 68073885 is 58837086.

It is not a de Polignac number, because 68073885 - 2⁴ = 68073869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 68073885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21436 + ... + 24405.

It is an arithmetic number, because the mean of its divisors is an integer number (4125780).

Almost surely, 2^68073885 is an apocalyptic number.

It is an amenable number.

68073885 is a deficient number, since it is larger than the sum of its proper divisors (63951075).

68073885 is a wasteful number, since it uses less digits than its factorization.

68073885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45866 (or 45860 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 68073885 is about 8250.6899711479. The cubic root of 68073885 is about 408.3132866275.

The spelling of 68073885 in words is "sixty-eight million, seventy-three thousand, eight hundred eighty-five".