71757063 has 16 divisors (see below), whose sum is σ = 121493760. Its totient is φ = 41003928.

The previous prime is 71757019. The next prime is 71757083. The reversal of 71757063 is 36075717.

It is not a de Polignac number, because 71757063 - 2¹⁸ = 71494919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71757083) 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 15 ways as a sum of consecutive naturals, for example, 189645 + ... + 190022.

It is an arithmetic number, because the mean of its divisors is an integer number (7593360).

Almost surely, 2^71757063 is an apocalyptic number.

71757063 is a deficient number, since it is larger than the sum of its proper divisors (49736697).

71757063 is a wasteful number, since it uses less digits than its factorization.

71757063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379683 (or 379677 counting only the distinct ones).

The product of its (nonzero) digits is 30870, while the sum is 36.

The square root of 71757063 is about 8470.9540784967. The cubic root of 71757063 is about 415.5483398515.

The spelling of 71757063 in words is "seventy-one million, seven hundred fifty-seven thousand, sixty-three".