71064406 has 12 divisors (see below), whose sum is σ = 124000308. Its totient is φ = 30456132.

The previous prime is 71064391. The next prime is 71064407. The reversal of 71064406 is 60446017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71064407) 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, 362476 + ... + 362671.

It is an arithmetic number, because the mean of its divisors is an integer number (10333359).

Almost surely, 2^71064406 is an apocalyptic number.

71064406 is a deficient number, since it is larger than the sum of its proper divisors (52935902).

71064406 is a wasteful number, since it uses less digits than its factorization.

71064406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725163 (or 725156 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 71064406 is about 8429.9706998305. The cubic root of 71064406 is about 414.2069453211.

The spelling of 71064406 in words is "seventy-one million, sixty-four thousand, four hundred six".