71123792 has 30 divisors (see below), whose sum is σ = 140287338. Its totient is φ = 34931776.

The previous prime is 71123791. The next prime is 71123803. The reversal of 71123792 is 29732117.

It can be written as a sum of positive squares in only one way, i.e., 64384576 + 6739216 = 8024^2 + 2596^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71123791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55058 + ... + 56334.

Almost surely, 2^71123792 is an apocalyptic number.

It is an amenable number.

71123792 is a deficient number, since it is larger than the sum of its proper divisors (69163546).

71123792 is a wasteful number, since it uses less digits than its factorization.

71123792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403 (or 1338 counting only the distinct ones).

The product of its digits is 5292, while the sum is 32.

The square root of 71123792 is about 8433.4922778171. The cubic root of 71123792 is about 414.3222925407.

The spelling of 71123792 in words is "seventy-one million, one hundred twenty-three thousand, seven hundred ninety-two".