63740747 has 16 divisors (see below), whose sum is σ = 74299392. Its totient is φ = 53555040.

The previous prime is 63740741. The next prime is 63740767. The reversal of 63740747 is 74704736.

It is not a de Polignac number, because 63740747 - 2⁴ = 63740731 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 63740747.

It is not an unprimeable number, because it can be changed into a prime (63740741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137438 + ... + 137900.

It is an arithmetic number, because the mean of its divisors is an integer number (4643712).

Almost surely, 2^63740747 is an apocalyptic number.

63740747 is a deficient number, since it is larger than the sum of its proper divisors (10558645).

63740747 is a wasteful number, since it uses less digits than its factorization.

63740747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818.

The product of its (nonzero) digits is 98784, while the sum is 38.

The square root of 63740747 is about 7983.7802449717. The cubic root of 63740747 is about 399.4591586395.

The spelling of 63740747 in words is "sixty-three million, seven hundred forty thousand, seven hundred forty-seven".