71961292 has 24 divisors (see below), whose sum is σ = 139997312. Its totient is φ = 32140800.

The previous prime is 71961287. The next prime is 71961299. The reversal of 71961292 is 29216917.

It is not an unprimeable number, because it can be changed into a prime (71961299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20709 + ... + 23932.

Almost surely, 2^71961292 is an apocalyptic number.

It is an amenable number.

71961292 is a deficient number, since it is larger than the sum of its proper divisors (68036020).

71961292 is a wasteful number, since it uses less digits than its factorization.

71961292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44689 (or 44687 counting only the distinct ones).

The product of its digits is 13608, while the sum is 37.

The square root of 71961292 is about 8483.0001768242. Note that the first 3 decimals coincide. The cubic root of 71961292 is about 415.9421995014.

The spelling of 71961292 in words is "seventy-one million, nine hundred sixty-one thousand, two hundred ninety-two".