63740534 has 64 divisors (see below), whose sum is σ = 118153728. Its totient is φ = 25401600.

The previous prime is 63740533. The next prime is 63740549. The reversal of 63740534 is 43504736.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 63740534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63740533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 873122 + ... + 873194.

It is an arithmetic number, because the mean of its divisors is an integer number (1846152).

Almost surely, 2^63740534 is an apocalyptic number.

63740534 is a deficient number, since it is larger than the sum of its proper divisors (54413194).

63740534 is a wasteful number, since it uses less digits than its factorization.

63740534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213.

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

The square root of 63740534 is about 7983.7669054150. The cubic root of 63740534 is about 399.4587136866.

The spelling of 63740534 in words is "sixty-three million, seven hundred forty thousand, five hundred thirty-four".