63754973 has 2 divisors, whose sum is σ = 63754974. Its totient is φ = 63754972.

The previous prime is 63754969. The next prime is 63755059. The reversal of 63754973 is 37945736.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41306329 + 22448644 = 6427^2 + 4738^2 .

It is a cyclic number.

It is not a de Polignac number, because 63754973 - 2² = 63754969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63753973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31877486 + 31877487.

It is an arithmetic number, because the mean of its divisors is an integer number (31877487).

Almost surely, 2^63754973 is an apocalyptic number.

It is an amenable number.

63754973 is a deficient number, since it is larger than the sum of its proper divisors (1).

63754973 is an equidigital number, since it uses as much as digits as its factorization.

63754973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 44.

The square root of 63754973 is about 7984.6711266025. The cubic root of 63754973 is about 399.4888742377.

The spelling of 63754973 in words is "sixty-three million, seven hundred fifty-four thousand, nine hundred seventy-three".