63713405 has 16 divisors (see below), whose sum is σ = 87510144. Its totient is φ = 43623360.

The previous prime is 63713369. The next prime is 63713407. The reversal of 63713405 is 50431736.

It is not a de Polignac number, because 63713405 - 2¹⁸ = 63451261 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63713407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38495 + ... + 40115.

It is an arithmetic number, because the mean of its divisors is an integer number (5469384).

Almost surely, 2^63713405 is an apocalyptic number.

It is an amenable number.

63713405 is a deficient number, since it is larger than the sum of its proper divisors (23796739).

63713405 is a wasteful number, since it uses less digits than its factorization.

63713405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 63713405 is about 7982.0677145712. The cubic root of 63713405 is about 399.4020336193.

The spelling of 63713405 in words is "sixty-three million, seven hundred thirteen thousand, four hundred five".