63706901 has 4 divisors (see below), whose sum is σ = 64908972. Its totient is φ = 62504832.

The previous prime is 63706873. The next prime is 63706913. The reversal of 63706901 is 10960736.

63706901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43546801 + 20160100 = 6599^2 + 4490^2 .

It is a cyclic number.

It is not a de Polignac number, because 63706901 - 2¹⁸ = 63444757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63706991) 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 3 ways as a sum of consecutive naturals, for example, 600956 + ... + 601061.

It is an arithmetic number, because the mean of its divisors is an integer number (16227243).

Almost surely, 2^63706901 is an apocalyptic number.

It is an amenable number.

63706901 is a deficient number, since it is larger than the sum of its proper divisors (1202071).

63706901 is a wasteful number, since it uses less digits than its factorization.

63706901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202070.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 63706901 is about 7981.6602909420. The cubic root of 63706901 is about 399.3884425536.

The spelling of 63706901 in words is "sixty-three million, seven hundred six thousand, nine hundred one".