71950885 has 32 divisors (see below), whose sum is σ = 95839200. Its totient is φ = 51788800.

The previous prime is 71950867. The next prime is 71950889. The reversal of 71950885 is 58805917.

It can be written as a sum of positive squares in 16 ways, for example, as 835396 + 71115489 = 914^2 + 8433^2 .

It is not a de Polignac number, because 71950885 - 2¹¹ = 71948837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71950889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 712335 + ... + 712435.

It is an arithmetic number, because the mean of its divisors is an integer number (2994975).

Almost surely, 2^71950885 is an apocalyptic number.

It is an amenable number.

71950885 is a deficient number, since it is larger than the sum of its proper divisors (23888315).

71950885 is a wasteful number, since it uses less digits than its factorization.

71950885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 43.

The square root of 71950885 is about 8482.3867513808. The cubic root of 71950885 is about 415.9221474288.

The spelling of 71950885 in words is "seventy-one million, nine hundred fifty thousand, eight hundred eighty-five".