71082464 has 24 divisors (see below), whose sum is σ = 140139720. Its totient is φ = 35491456.

The previous prime is 71082449. The next prime is 71082467. The reversal of 71082464 is 46428017.

It is a super-2 number, since 2×71082464² = 10105433376622592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 71082464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71082467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34487 + ... + 36489.

It is an arithmetic number, because the mean of its divisors is an integer number (5839155).

Almost surely, 2^71082464 is an apocalyptic number.

It is an amenable number.

71082464 is a deficient number, since it is larger than the sum of its proper divisors (69057256).

71082464 is a wasteful number, since it uses less digits than its factorization.

71082464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122 (or 3114 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 71082464 is about 8431.0416912740. The cubic root of 71082464 is about 414.2420267164.

The spelling of 71082464 in words is "seventy-one million, eighty-two thousand, four hundred sixty-four".