63740673 has 12 divisors (see below), whose sum is σ = 92162148. Its totient is φ = 42451200.

The previous prime is 63740671. The next prime is 63740683. The reversal of 63740673 is 37604736.

It can be written as a sum of positive squares in 2 ways, for example, as 24088464 + 39652209 = 4908^2 + 6297^2 .

It is not a de Polignac number, because 63740673 - 2¹ = 63740671 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (63740671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7861 + ... + 13757.

It is an arithmetic number, because the mean of its divisors is an integer number (7680179).

Almost surely, 2^63740673 is an apocalyptic number.

It is an amenable number.

63740673 is a deficient number, since it is larger than the sum of its proper divisors (28421475).

63740673 is a wasteful number, since it uses less digits than its factorization.

63740673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7104 (or 7101 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 63740673 is about 7983.7756105742. The cubic root of 63740673 is about 399.4590040550.

The spelling of 63740673 in words is "sixty-three million, seven hundred forty thousand, six hundred seventy-three".