71438466 has 32 divisors (see below), whose sum is σ = 156211776. Its totient is φ = 21600000.

The previous prime is 71438429. The next prime is 71438531. The reversal of 71438466 is 66483417.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38766 + ... + 40566.

It is an arithmetic number, because the mean of its divisors is an integer number (4881618).

Almost surely, 2^71438466 is an apocalyptic number.

71438466 is an abundant number, since it is smaller than the sum of its proper divisors (84773310).

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

71438466 is a wasteful number, since it uses less digits than its factorization.

71438466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418.

The product of its digits is 96768, while the sum is 39.

The square root of 71438466 is about 8452.1278977545. The cubic root of 71438466 is about 414.9324242803.

The spelling of 71438466 in words is "seventy-one million, four hundred thirty-eight thousand, four hundred sixty-six".