71949694334 has 16 divisors (see below), whose sum is σ = 123352685568. Its totient is φ = 30832995192.

The previous prime is 71949694279. The next prime is 71949694343. The reversal of 71949694334 is 43349694917.

It is a congruent number.

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, 37862 + ... + 381225.

It is an arithmetic number, because the mean of its divisors is an integer number (7709542848).

Almost surely, 2^71949694334 is an apocalyptic number.

71949694334 is a deficient number, since it is larger than the sum of its proper divisors (51402991234).

71949694334 is a wasteful number, since it uses less digits than its factorization.

71949694334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431359.

The product of its digits is 17635968, while the sum is 59.

The spelling of 71949694334 in words is "seventy-one billion, nine hundred forty-nine million, six hundred ninety-four thousand, three hundred thirty-four".