68773653 has 48 divisors (see below), whose sum is σ = 115105536. Its totient is φ = 39191040.

The previous prime is 68773651. The next prime is 68773697. The reversal of 68773653 is 35637786.

It is not a de Polignac number, because 68773653 - 2¹ = 68773651 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68773599 and 68773608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68773651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140976 + ... + 141462.

It is an arithmetic number, because the mean of its divisors is an integer number (2398032).

Almost surely, 2^68773653 is an apocalyptic number.

It is an amenable number.

68773653 is a deficient number, since it is larger than the sum of its proper divisors (46331883).

68773653 is a wasteful number, since it uses less digits than its factorization.

68773653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 591 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 68773653 is about 8292.9881827964. The cubic root of 68773653 is about 409.7076102918.

The spelling of 68773653 in words is "sixty-eight million, seven hundred seventy-three thousand, six hundred fifty-three".