63747049 has 2 divisors, whose sum is σ = 63747050. Its totient is φ = 63747048.

The previous prime is 63747043. The next prime is 63747119. The reversal of 63747049 is 94074736.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43560000 + 20187049 = 6600^2 + 4493^2 .

It is a cyclic number.

It is not a de Polignac number, because 63747049 - 2¹¹ = 63745001 is a prime.

It is not a weakly prime, because it can be changed into another prime (63747043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31873524 + 31873525.

It is an arithmetic number, because the mean of its divisors is an integer number (31873525).

Almost surely, 2^63747049 is an apocalyptic number.

It is an amenable number.

63747049 is a deficient number, since it is larger than the sum of its proper divisors (1).

63747049 is an equidigital number, since it uses as much as digits as its factorization.

63747049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 63747049 is about 7984.1749104087. The cubic root of 63747049 is about 399.4723229484.

The spelling of 63747049 in words is "sixty-three million, seven hundred forty-seven thousand, forty-nine".