71134879 has 8 divisors (see below), whose sum is σ = 75111680. Its totient is φ = 67181400.

The previous prime is 71134873. The next prime is 71134907. The reversal of 71134879 is 97843117.

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

It is a cyclic number.

It is not a de Polignac number, because 71134879 - 2³ = 71134871 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 (71134871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634 + ... + 11944.

It is an arithmetic number, because the mean of its divisors is an integer number (9388960).

Almost surely, 2^71134879 is an apocalyptic number.

71134879 is a deficient number, since it is larger than the sum of its proper divisors (3976801).

71134879 is a wasteful number, since it uses less digits than its factorization.

71134879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11661.

The product of its digits is 42336, while the sum is 40.

The square root of 71134879 is about 8434.1495718300. The cubic root of 71134879 is about 414.3438200420.

The spelling of 71134879 in words is "seventy-one million, one hundred thirty-four thousand, eight hundred seventy-nine".