71082079 has 4 divisors (see below), whose sum is σ = 72286920. Its totient is φ = 69877240.

The previous prime is 71082031. The next prime is 71082091. The reversal of 71082079 is 97028017.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97028017 = 41 ⋅2366537.

It is not a de Polignac number, because 71082079 - 2⁷ = 71081951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71082379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602332 + ... + 602449.

It is an arithmetic number, because the mean of its divisors is an integer number (18071730).

Almost surely, 2^71082079 is an apocalyptic number.

71082079 is a deficient number, since it is larger than the sum of its proper divisors (1204841).

71082079 is a wasteful number, since it uses less digits than its factorization.

71082079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204840.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 71082079 is about 8431.0188589517. The cubic root of 71082079 is about 414.2412788364.

The spelling of 71082079 in words is "seventy-one million, eighty-two thousand, seventy-nine".