63734530 has 16 divisors (see below), whose sum is σ = 121470840. Its totient is φ = 23994112.

The previous prime is 63734527. The next prime is 63734537. The reversal of 63734530 is 3543736.

It can be written as a sum of positive squares in 4 ways, for example, as 63728289 + 6241 = 7983^2 + 79^2 .

It is a junction number, because it is equal to n+sod(n) for n = 63734492 and 63734501.

It is not an unprimeable number, because it can be changed into a prime (63734537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187285 + ... + 187624.

Almost surely, 2^63734530 is an apocalyptic number.

63734530 is a deficient number, since it is larger than the sum of its proper divisors (57736310).

63734530 is a wasteful number, since it uses less digits than its factorization.

63734530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374933.

The product of its (nonzero) digits is 22680, while the sum is 31.

The square root of 63734530 is about 7983.3908835782. The cubic root of 63734530 is about 399.4461710376.

The spelling of 63734530 in words is "sixty-three million, seven hundred thirty-four thousand, five hundred thirty".