63616734 has 12 divisors (see below), whose sum is σ = 137836296. Its totient is φ = 21205572.

The previous prime is 63616687. The next prime is 63616741. The reversal of 63616734 is 43761636.

It is a happy number.

63616734 is a `hidden beast` number, since 6 + 3 + 616 + 7 + 34 = 666.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1767114 + ... + 1767149.

It is an arithmetic number, because the mean of its divisors is an integer number (11486358).

Almost surely, 2^63616734 is an apocalyptic number.

63616734 is an abundant number, since it is smaller than the sum of its proper divisors (74219562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63616734 is a wasteful number, since it uses less digits than its factorization.

63616734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534271 (or 3534268 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 63616734 is about 7976.0099047080. The cubic root of 63616734 is about 399.1999299534.

The spelling of 63616734 in words is "sixty-three million, six hundred sixteen thousand, seven hundred thirty-four".