71392899 has 8 divisors (see below), whose sum is σ = 100200640. Its totient is φ = 45090216.

The previous prime is 71392889. The next prime is 71392901. The reversal of 71392899 is 99829317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71392899 - 2⁴ = 71392883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71392829) 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 7 ways as a sum of consecutive naturals, for example, 626197 + ... + 626310.

It is an arithmetic number, because the mean of its divisors is an integer number (12525080).

Almost surely, 2^71392899 is an apocalyptic number.

71392899 is a deficient number, since it is larger than the sum of its proper divisors (28807741).

71392899 is a wasteful number, since it uses less digits than its factorization.

71392899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252529.

The product of its digits is 244944, while the sum is 48.

The square root of 71392899 is about 8449.4318743925. The cubic root of 71392899 is about 414.8441840168.

The spelling of 71392899 in words is "seventy-one million, three hundred ninety-two thousand, eight hundred ninety-nine".