66272463 has 12 divisors (see below), whose sum is σ = 96676008. Its totient is φ = 43743600.

The previous prime is 66272461. The next prime is 66272467. The reversal of 66272463 is 36427266.

It is a happy number.

66272463 is a `hidden beast` number, since 6 + 627 + 24 + 6 + 3 = 666.

It is not a de Polignac number, because 66272463 - 2¹ = 66272461 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66272461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35545 + ... + 37362.

It is an arithmetic number, because the mean of its divisors is an integer number (8056334).

Almost surely, 2^66272463 is an apocalyptic number.

66272463 is a deficient number, since it is larger than the sum of its proper divisors (30403545).

66272463 is a wasteful number, since it uses less digits than its factorization.

66272463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73014 (or 73011 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 66272463 is about 8140.7900722227. The cubic root of 66272463 is about 404.6793438118.

The spelling of 66272463 in words is "sixty-six million, two hundred seventy-two thousand, four hundred sixty-three".