63043694 has 12 divisors (see below), whose sum is σ = 110004984. Its totient is φ = 27018684.

The previous prime is 63043693. The next prime is 63043697. The reversal of 63043694 is 49634036.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63043693) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 321554 + ... + 321749.

It is an arithmetic number, because the mean of its divisors is an integer number (9167082).

Almost surely, 2^63043694 is an apocalyptic number.

63043694 is a deficient number, since it is larger than the sum of its proper divisors (46961290).

63043694 is a wasteful number, since it uses less digits than its factorization.

63043694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643319 (or 643312 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 63043694 is about 7940.0059193933. The cubic root of 63043694 is about 397.9976894389.

The spelling of 63043694 in words is "sixty-three million, forty-three thousand, six hundred ninety-four".