71057386 has 8 divisors (see below), whose sum is σ = 108177120. Its totient is φ = 34998348.

The previous prime is 71057377. The next prime is 71057401. The reversal of 71057386 is 68375017.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265006 + ... + 265273.

It is an arithmetic number, because the mean of its divisors is an integer number (13522140).

Almost surely, 2^71057386 is an apocalyptic number.

71057386 is a deficient number, since it is larger than the sum of its proper divisors (37119734).

71057386 is a wasteful number, since it uses less digits than its factorization.

71057386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530348.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 71057386 is about 8429.5543179933. The cubic root of 71057386 is about 414.1933059168.

The spelling of 71057386 in words is "seventy-one million, fifty-seven thousand, three hundred eighty-six".