71112039 has 8 divisors (see below), whose sum is σ = 97378800. Its totient is φ = 46126656.

The previous prime is 71112029. The next prime is 71112043. The reversal of 71112039 is 93021117.

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

It is not a de Polignac number, because 71112039 - 2⁵ = 71112007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71112029) 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, 320214 + ... + 320435.

It is an arithmetic number, because the mean of its divisors is an integer number (12172350).

Almost surely, 2^71112039 is an apocalyptic number.

71112039 is a deficient number, since it is larger than the sum of its proper divisors (26266761).

71112039 is a wasteful number, since it uses less digits than its factorization.

71112039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640689.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 71112039 is about 8432.7954439794. The cubic root of 71112039 is about 414.2994694318.

The spelling of 71112039 in words is "seventy-one million, one hundred twelve thousand, thirty-nine".