68967563 has 4 divisors (see below), whose sum is σ = 78820080. Its totient is φ = 59115048.

The previous prime is 68967557. The next prime is 68967583. The reversal of 68967563 is 36576986.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36576986 = 2 ⋅18288493.

It is a cyclic number.

It is not a de Polignac number, because 68967563 - 2²⁰ = 67918987 is a prime.

It is a super-3 number, since 3×68967563³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68967523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4926248 + ... + 4926261.

It is an arithmetic number, because the mean of its divisors is an integer number (19705020).

Almost surely, 2^68967563 is an apocalyptic number.

68967563 is a deficient number, since it is larger than the sum of its proper divisors (9852517).

68967563 is an equidigital number, since it uses as much as digits as its factorization.

68967563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9852516.

The product of its digits is 1632960, while the sum is 50.

The square root of 68967563 is about 8304.6711554402. The cubic root of 68967563 is about 410.0923111599.

The spelling of 68967563 in words is "sixty-eight million, nine hundred sixty-seven thousand, five hundred sixty-three".