71577413 has 8 divisors (see below), whose sum is σ = 73574688. Its totient is φ = 69595344.

The previous prime is 71577379. The next prime is 71577421. The reversal of 71577413 is 31477517.

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 71577413 - 2¹⁴ = 71561029 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 (71577433) 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, 6095 + ... + 13427.

It is an arithmetic number, because the mean of its divisors is an integer number (9196836).

Almost surely, 2^71577413 is an apocalyptic number.

It is an amenable number.

71577413 is a deficient number, since it is larger than the sum of its proper divisors (1997275).

71577413 is a wasteful number, since it uses less digits than its factorization.

71577413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7603.

The product of its digits is 20580, while the sum is 35.

The square root of 71577413 is about 8460.3435509440. The cubic root of 71577413 is about 415.2012630007.

The spelling of 71577413 in words is "seventy-one million, five hundred seventy-seven thousand, four hundred thirteen".