71731701 has 12 divisors (see below), whose sum is σ = 104564460. Its totient is φ = 47381760.

The previous prime is 71731679. The next prime is 71731717. The reversal of 71731701 is 10713717.

It can be written as a sum of positive squares in 2 ways, for example, as 24740676 + 46991025 = 4974^2 + 6855^2 .

It is not a de Polignac number, because 71731701 - 2¹¹ = 71729653 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71731001) 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 11 ways as a sum of consecutive naturals, for example, 35580 + ... + 37541.

It is an arithmetic number, because the mean of its divisors is an integer number (8713705).

Almost surely, 2^71731701 is an apocalyptic number.

It is an amenable number.

71731701 is a deficient number, since it is larger than the sum of its proper divisors (32832759).

71731701 is a wasteful number, since it uses less digits than its factorization.

71731701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73236 (or 73233 counting only the distinct ones).

The product of its (nonzero) digits is 1029, while the sum is 27.

The square root of 71731701 is about 8469.4569483527. The cubic root of 71731701 is about 415.4993765929.

The spelling of 71731701 in words is "seventy-one million, seven hundred thirty-one thousand, seven hundred one".