63540734 has 16 divisors (see below), whose sum is σ = 98171136. Its totient is φ = 30825600.

The previous prime is 63540709. The next prime is 63540739. The reversal of 63540734 is 43704536.

It is a self number, because there is not a number n which added to its sum of digits gives 63540734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63540739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13634 + ... + 17690.

It is an arithmetic number, because the mean of its divisors is an integer number (6135696).

Almost surely, 2^63540734 is an apocalyptic number.

63540734 is a deficient number, since it is larger than the sum of its proper divisors (34630402).

63540734 is a wasteful number, since it uses less digits than its factorization.

63540734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4291.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 63540734 is about 7971.2441939762. The cubic root of 63540734 is about 399.0408979797.

The spelling of 63540734 in words is "sixty-three million, five hundred forty thousand, seven hundred thirty-four".