63401607 has 6 divisors (see below), whose sum is σ = 91580112. Its totient is φ = 42267732.

The previous prime is 63401581. The next prime is 63401623. The reversal of 63401607 is 70610436.

It is not a de Polignac number, because 63401607 - 2¹¹ = 63399559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63401677) 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, 3522303 + ... + 3522320.

It is an arithmetic number, because the mean of its divisors is an integer number (15263352).

Almost surely, 2^63401607 is an apocalyptic number.

63401607 is a deficient number, since it is larger than the sum of its proper divisors (28178505).

63401607 is a wasteful number, since it uses less digits than its factorization.

63401607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044629 (or 7044626 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 63401607 is about 7962.5126059555. The cubic root of 63401607 is about 398.7494422544.

The spelling of 63401607 in words is "sixty-three million, four hundred one thousand, six hundred seven".