63491722 has 8 divisors (see below), whose sum is σ = 108842976. Its totient is φ = 27210732.

The previous prime is 63491717. The next prime is 63491761. The reversal of 63491722 is 22719436.

63491722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2267548 + ... + 2267575.

It is an arithmetic number, because the mean of its divisors is an integer number (13605372).

Almost surely, 2^63491722 is an apocalyptic number.

63491722 is a deficient number, since it is larger than the sum of its proper divisors (45351254).

63491722 is a wasteful number, since it uses less digits than its factorization.

63491722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535132.

The product of its digits is 18144, while the sum is 34.

The square root of 63491722 is about 7968.1693004102. The cubic root of 63491722 is about 398.9382718267.

The spelling of 63491722 in words is "sixty-three million, four hundred ninety-one thousand, seven hundred twenty-two".