63712431 has 6 divisors (see below), whose sum is σ = 92029080. Its totient is φ = 42474948.

The previous prime is 63712423. The next prime is 63712463. The reversal of 63712431 is 13421736.

63712431 is a `hidden beast` number, since 637 + 1 + 24 + 3 + 1 = 666.

It is not a de Polignac number, because 63712431 - 2³ = 63712423 is a prime.

It is a super-2 number, since 2×63712431² = 8118547727859522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63712395 and 63712404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63712421) 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, 3539571 + ... + 3539588.

It is an arithmetic number, because the mean of its divisors is an integer number (15338180).

Almost surely, 2^63712431 is an apocalyptic number.

63712431 is a deficient number, since it is larger than the sum of its proper divisors (28316649).

63712431 is a wasteful number, since it uses less digits than its factorization.

63712431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7079165 (or 7079162 counting only the distinct ones).

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

The square root of 63712431 is about 7982.0067025780. The cubic root of 63712431 is about 399.3999983618.

The spelling of 63712431 in words is "sixty-three million, seven hundred twelve thousand, four hundred thirty-one".