63747361 has 4 divisors (see below), whose sum is σ = 63773572. Its totient is φ = 63721152.

The previous prime is 63747353. The next prime is 63747367. The reversal of 63747361 is 16374736.

63747361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 58369600 + 5377761 = 7640^2 + 2319^2 .

It is a cyclic number.

It is not a de Polignac number, because 63747361 - 2³ = 63747353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63747361.

It is not an unprimeable number, because it can be changed into a prime (63747367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9036 + ... + 14461.

It is an arithmetic number, because the mean of its divisors is an integer number (15943393).

Almost surely, 2^63747361 is an apocalyptic number.

It is an amenable number.

63747361 is a deficient number, since it is larger than the sum of its proper divisors (26211).

63747361 is a wasteful number, since it uses less digits than its factorization.

63747361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26210.

The product of its digits is 63504, while the sum is 37.

The square root of 63747361 is about 7984.1944490349. The cubic root of 63747361 is about 399.4729746657.

The spelling of 63747361 in words is "sixty-three million, seven hundred forty-seven thousand, three hundred sixty-one".