71206464 has 56 divisors (see below), whose sum is σ = 215318848. Its totient is φ = 20344320.

The previous prime is 71206453. The next prime is 71206481. The reversal of 71206464 is 46460217.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25147 + ... + 27834.

Almost surely, 2^71206464 is an apocalyptic number.

It is an amenable number.

71206464 is an abundant number, since it is smaller than the sum of its proper divisors (144112384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71206464 is a wasteful number, since it uses less digits than its factorization.

71206464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53003 (or 52993 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 71206464 is about 8438.3922639327. The cubic root of 71206464 is about 414.4827620015.

The spelling of 71206464 in words is "seventy-one million, two hundred six thousand, four hundred sixty-four".