68770063 has 4 divisors (see below), whose sum is σ = 72389560. Its totient is φ = 65150568.

The previous prime is 68770061. The next prime is 68770067. The reversal of 68770063 is 36007786.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36007786 = 2 ⋅18003893.

It is a cyclic number.

It is not a de Polignac number, because 68770063 - 2¹ = 68770061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68770061) 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, 1809720 + ... + 1809757.

It is an arithmetic number, because the mean of its divisors is an integer number (18097390).

Almost surely, 2^68770063 is an apocalyptic number.

68770063 is a deficient number, since it is larger than the sum of its proper divisors (3619497).

68770063 is a wasteful number, since it uses less digits than its factorization.

68770063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619496.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 68770063 is about 8292.7717320568. The cubic root of 68770063 is about 409.7004812249.

The spelling of 68770063 in words is "sixty-eight million, seven hundred seventy thousand, sixty-three".