63726825 has 12 divisors (see below), whose sum is σ = 105361808. Its totient is φ = 33987600.

The previous prime is 63726823. The next prime is 63726847. The reversal of 63726825 is 52862736.

It is not a de Polignac number, because 63726825 - 2¹ = 63726823 is a prime.

It is a super-2 number, since 2×63726825² = 8122216449161250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63726823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 424771 + ... + 424920.

Almost surely, 2^63726825 is an apocalyptic number.

It is an amenable number.

63726825 is a deficient number, since it is larger than the sum of its proper divisors (41634983).

63726825 is a wasteful number, since it uses less digits than its factorization.

63726825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849704 (or 849699 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 63726825 is about 7982.9083046218. The cubic root of 63726825 is about 399.4300737625.

The spelling of 63726825 in words is "sixty-three million, seven hundred twenty-six thousand, eight hundred twenty-five".