64006063 has 4 divisors (see below), whose sum is σ = 69824808. Its totient is φ = 58187320.

The previous prime is 64006051. The next prime is 64006067. The reversal of 64006063 is 36060046.

It is a happy number.

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-64006063 is a prime.

It is a super-2 number, since 2×64006063² = 8193552201519938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64006067) 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, 2909356 + ... + 2909377.

It is an arithmetic number, because the mean of its divisors is an integer number (17456202).

Almost surely, 2^64006063 is an apocalyptic number.

64006063 is a deficient number, since it is larger than the sum of its proper divisors (5818745).

64006063 is a wasteful number, since it uses less digits than its factorization.

64006063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5818744.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 64006063 is about 8000.3789285258. The cubic root of 64006063 is about 400.0126308511.

The spelling of 64006063 in words is "sixty-four million, six thousand, sixty-three".