68567963 has 4 divisors (see below), whose sum is σ = 68695248. Its totient is φ = 68440680.

The previous prime is 68567959. The next prime is 68567969. The reversal of 68567963 is 36976586.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36976586 = 2 ⋅18488293.

It is a cyclic number.

It is not a de Polignac number, because 68567963 - 2² = 68567959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68567969) 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, 62831 + ... + 63912.

It is an arithmetic number, because the mean of its divisors is an integer number (17173812).

Almost surely, 2^68567963 is an apocalyptic number.

68567963 is a deficient number, since it is larger than the sum of its proper divisors (127285).

68567963 is a wasteful number, since it uses less digits than its factorization.

68567963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127284.

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

The square root of 68567963 is about 8280.5774557092. The cubic root of 68567963 is about 409.2987477425.

The spelling of 68567963 in words is "sixty-eight million, five hundred sixty-seven thousand, nine hundred sixty-three".