68214763 has 4 divisors (see below), whose sum is σ = 69501888. Its totient is φ = 66927640.

The previous prime is 68214721. The next prime is 68214767. The reversal of 68214763 is 36741286.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68214763 is a prime.

It is a super-2 number, since 2×68214763² = 9306507782292338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68214767) 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, 643483 + ... + 643588.

It is an arithmetic number, because the mean of its divisors is an integer number (17375472).

Almost surely, 2^68214763 is an apocalyptic number.

68214763 is a deficient number, since it is larger than the sum of its proper divisors (1287125).

68214763 is a wasteful number, since it uses less digits than its factorization.

68214763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287124.

The product of its digits is 48384, while the sum is 37.

The square root of 68214763 is about 8259.2229053344. Note that the first 3 decimals coincide. The cubic root of 68214763 is about 408.5947588551.

It can be divided in two parts, 6821 and 4763, that multiplied together give a palindrome (32488423).

The spelling of 68214763 in words is "sixty-eight million, two hundred fourteen thousand, seven hundred sixty-three".