71130385 has 8 divisors (see below), whose sum is σ = 87341760. Its totient is φ = 55580784.

The previous prime is 71130383. The next prime is 71130401. The reversal of 71130385 is 58303117.

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 71130385 - 2¹ = 71130383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71130383) 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 7 ways as a sum of consecutive naturals, for example, 165205 + ... + 165634.

It is an arithmetic number, because the mean of its divisors is an integer number (10917720).

Almost surely, 2^71130385 is an apocalyptic number.

It is an amenable number.

71130385 is a deficient number, since it is larger than the sum of its proper divisors (16211375).

71130385 is a wasteful number, since it uses less digits than its factorization.

71130385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330887.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 71130385 is about 8433.8831507201. The cubic root of 71130385 is about 414.3350943631.

The spelling of 71130385 in words is "seventy-one million, one hundred thirty thousand, three hundred eighty-five".