68357673 has 18 divisors (see below), whose sum is σ = 100086714. Its totient is φ = 44957952.

The previous prime is 68357647. The next prime is 68357677. The reversal of 68357673 is 37675386.

68357673 is a `hidden beast` number, since 6 + 8 + 3 + 576 + 73 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53978409 + 14379264 = 7347^2 + 3792^2 .

It is not a de Polignac number, because 68357673 - 2¹² = 68353577 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68357677) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 55561 + ... + 56777.

It is an arithmetic number, because the mean of its divisors is an integer number (5560373).

Almost surely, 2^68357673 is an apocalyptic number.

It is an amenable number.

68357673 is a deficient number, since it is larger than the sum of its proper divisors (31729041).

68357673 is a wasteful number, since it uses less digits than its factorization.

68357673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1381 (or 1299 counting only the distinct ones).

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

The square root of 68357673 is about 8267.8699191509. The cubic root of 68357673 is about 408.8798953101.

The spelling of 68357673 in words is "sixty-eight million, three hundred fifty-seven thousand, six hundred seventy-three".