71057047630 has 8 divisors (see below), whose sum is σ = 127902685752. Its totient is φ = 28422819048.

The previous prime is 71057047591. The next prime is 71057047631. The reversal of 71057047630 is 3674075017.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71057047631) 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, 3552852372 + ... + 3552852391.

It is an arithmetic number, because the mean of its divisors is an integer number (15987835719).

Almost surely, 2^71057047630 is an apocalyptic number.

71057047630 is a deficient number, since it is larger than the sum of its proper divisors (56845638122).

71057047630 is a wasteful number, since it uses less digits than its factorization.

71057047630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7105704770.

The product of its (nonzero) digits is 123480, while the sum is 40.

The spelling of 71057047630 in words is "seventy-one billion, fifty-seven million, forty-seven thousand, six hundred thirty".