71956525 has 12 divisors (see below), whose sum is σ = 89633152. Its totient is φ = 57302640.

The previous prime is 71956523. The next prime is 71956543. The reversal of 71956525 is 52565917.

It is not a de Polignac number, because 71956525 - 2¹ = 71956523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71956523) 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, 879 + ... + 12028.

Almost surely, 2^71956525 is an apocalyptic number.

It is an amenable number.

71956525 is a deficient number, since it is larger than the sum of its proper divisors (17676627).

71956525 is a wasteful number, since it uses less digits than its factorization.

71956525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13140 (or 13135 counting only the distinct ones).

The product of its digits is 94500, while the sum is 40.

The square root of 71956525 is about 8482.7191984646. The cubic root of 71956525 is about 415.9330147476.

The spelling of 71956525 in words is "seventy-one million, nine hundred fifty-six thousand, five hundred twenty-five".