68498563 has 8 divisors (see below), whose sum is σ = 78354432. Its totient is φ = 58660296.

The previous prime is 68498519. The next prime is 68498567. The reversal of 68498563 is 36589486.

It is a happy number.

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 68498563 - 2⁹ = 68498051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68498567) 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, 5406 + ... + 12892.

It is an arithmetic number, because the mean of its divisors is an integer number (9794304).

Almost surely, 2^68498563 is an apocalyptic number.

68498563 is a deficient number, since it is larger than the sum of its proper divisors (9855869).

68498563 is a wasteful number, since it uses less digits than its factorization.

68498563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8801.

The product of its digits is 1244160, while the sum is 49.

The square root of 68498563 is about 8276.3858658233. The cubic root of 68498563 is about 409.1606126690.

The spelling of 68498563 in words is "sixty-eight million, four hundred ninety-eight thousand, five hundred sixty-three".