68651573 has 8 divisors (see below), whose sum is σ = 71749248. Its totient is φ = 65563344.

The previous prime is 68651567. The next prime is 68651581. The reversal of 68651573 is 37515686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68651573 - 2⁶ = 68651509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68651573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68651563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15440 + ... + 19382.

It is an arithmetic number, because the mean of its divisors is an integer number (8968656).

Almost surely, 2^68651573 is an apocalyptic number.

It is an amenable number.

68651573 is a deficient number, since it is larger than the sum of its proper divisors (3097675).

68651573 is a wasteful number, since it uses less digits than its factorization.

68651573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4723.

The product of its digits is 151200, while the sum is 41.

The square root of 68651573 is about 8285.6244785773. The cubic root of 68651573 is about 409.4650429364.

The spelling of 68651573 in words is "sixty-eight million, six hundred fifty-one thousand, five hundred seventy-three".