71992342 has 4 divisors (see below), whose sum is σ = 107988516. Its totient is φ = 35996170.

The previous prime is 71992321. The next prime is 71992379. The reversal of 71992342 is 24329917.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24329917 = 113 ⋅215309.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17998084 + ... + 17998087.

It is an arithmetic number, because the mean of its divisors is an integer number (26997129).

Almost surely, 2^71992342 is an apocalyptic number.

71992342 is a deficient number, since it is larger than the sum of its proper divisors (35996174).

71992342 is a wasteful number, since it uses less digits than its factorization.

71992342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35996173.

The product of its digits is 27216, while the sum is 37.

The square root of 71992342 is about 8484.8301102615. The cubic root of 71992342 is about 416.0020147523.

The spelling of 71992342 in words is "seventy-one million, nine hundred ninety-two thousand, three hundred forty-two".