63722694 has 64 divisors (see below), whose sum is σ = 156672000. Its totient is φ = 16871328.

The previous prime is 63722693. The next prime is 63722707. The reversal of 63722694 is 49622736.

63722694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63722693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36657 + ... + 38355.

It is an arithmetic number, because the mean of its divisors is an integer number (2448000).

Almost surely, 2^63722694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63722694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78336000).

63722694 is an abundant number, since it is smaller than the sum of its proper divisors (92949306).

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

63722694 is a wasteful number, since it uses less digits than its factorization.

63722694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777.

The product of its digits is 108864, while the sum is 39.

The square root of 63722694 is about 7982.6495601398. The cubic root of 63722694 is about 399.4214427489.

The spelling of 63722694 in words is "sixty-three million, seven hundred twenty-two thousand, six hundred ninety-four".