71705464 has 16 divisors (see below), whose sum is σ = 134643600. Its totient is φ = 35800512.

The previous prime is 71705461. The next prime is 71705479. The reversal of 71705464 is 46450717.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71705461) 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, 349 + ... + 11980.

It is an arithmetic number, because the mean of its divisors is an integer number (8415225).

Almost surely, 2^71705464 is an apocalyptic number.

It is an amenable number.

71705464 is a deficient number, since it is larger than the sum of its proper divisors (62938136).

71705464 is a wasteful number, since it uses less digits than its factorization.

71705464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13062 (or 13058 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 71705464 is about 8467.9078880205. The cubic root of 71705464 is about 415.4487119337.

The spelling of 71705464 in words is "seventy-one million, seven hundred five thousand, four hundred sixty-four".