71456463 has 12 divisors (see below), whose sum is σ = 111154680. Its totient is φ = 43973136.

The previous prime is 71456453. The next prime is 71456477. The reversal of 71456463 is 36465417.

It is a happy number.

71456463 is a `hidden beast` number, since 7 + 1 + 4 + 5 + 646 + 3 = 666.

It is not a de Polignac number, because 71456463 - 2¹³ = 71448271 is a prime.

It is a super-3 number, since 3×71456463³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71456453) 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 11 ways as a sum of consecutive naturals, for example, 305253 + ... + 305486.

It is an arithmetic number, because the mean of its divisors is an integer number (9262890).

Almost surely, 2^71456463 is an apocalyptic number.

71456463 is a deficient number, since it is larger than the sum of its proper divisors (39698217).

71456463 is a wasteful number, since it uses less digits than its factorization.

71456463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610758 (or 610755 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 71456463 is about 8453.1924738527. The cubic root of 71456463 is about 414.9672650427.

The spelling of 71456463 in words is "seventy-one million, four hundred fifty-six thousand, four hundred sixty-three".