63694544 has 40 divisors (see below), whose sum is σ = 130592832. Its totient is φ = 30032640.

The previous prime is 63694537. The next prime is 63694559. The reversal of 63694544 is 44549636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25679 + ... + 28049.

Almost surely, 2^63694544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63694544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65296416).

63694544 is an abundant number, since it is smaller than the sum of its proper divisors (66898288).

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

63694544 is a wasteful number, since it uses less digits than its factorization.

63694544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475 (or 2469 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 63694544 is about 7980.8861663352. The cubic root of 63694544 is about 399.3626182340.

The spelling of 63694544 in words is "sixty-three million, six hundred ninety-four thousand, five hundred forty-four".