63332273 has 4 divisors (see below), whose sum is σ = 63350388. Its totient is φ = 63314160.

The previous prime is 63332257. The next prime is 63332279. The reversal of 63332273 is 37223336.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9412624 + 53919649 = 3068^2 + 7343^2 .

It is a cyclic number.

It is not a de Polignac number, because 63332273 - 2⁴ = 63332257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63332279) 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, 1958 + ... + 11423.

It is an arithmetic number, because the mean of its divisors is an integer number (15837597).

Almost surely, 2^63332273 is an apocalyptic number.

It is an amenable number.

63332273 is a deficient number, since it is larger than the sum of its proper divisors (18115).

63332273 is a wasteful number, since it uses less digits than its factorization.

63332273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18114.

The product of its digits is 13608, while the sum is 29.

The square root of 63332273 is about 7958.1576385493. The cubic root of 63332273 is about 398.6040359617.

The spelling of 63332273 in words is "sixty-three million, three hundred thirty-two thousand, two hundred seventy-three".