63745933 has 2 divisors, whose sum is σ = 63745934. Its totient is φ = 63745932.

The previous prime is 63745907. The next prime is 63745961. The reversal of 63745933 is 33954736.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40106889 + 23639044 = 6333^2 + 4862^2 .

It is a cyclic number.

It is not a de Polignac number, because 63745933 - 2¹⁷ = 63614861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63740933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31872966 + 31872967.

It is an arithmetic number, because the mean of its divisors is an integer number (31872967).

Almost surely, 2^63745933 is an apocalyptic number.

It is an amenable number.

63745933 is a deficient number, since it is larger than the sum of its proper divisors (1).

63745933 is an equidigital number, since it uses as much as digits as its factorization.

63745933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 40.

The square root of 63745933 is about 7984.1050218544. The cubic root of 63745933 is about 399.4699917884.

The spelling of 63745933 in words is "sixty-three million, seven hundred forty-five thousand, nine hundred thirty-three".