71906532 has 24 divisors (see below), whose sum is σ = 177651936. Its totient is φ = 22558848.

The previous prime is 71906521. The next prime is 71906539. The reversal of 71906532 is 23560917.

It is a super-3 number, since 3×71906532³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71906493 and 71906502.

It is not an unprimeable number, because it can be changed into a prime (71906539) 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 7 ways as a sum of consecutive naturals, for example, 176038 + ... + 176445.

It is an arithmetic number, because the mean of its divisors is an integer number (7402164).

Almost surely, 2^71906532 is an apocalyptic number.

It is an amenable number.

71906532 is an abundant number, since it is smaller than the sum of its proper divisors (105745404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71906532 is a wasteful number, since it uses less digits than its factorization.

71906532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352507 (or 352505 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 71906532 is about 8479.7719308953. The cubic root of 71906532 is about 415.8366669568.

The spelling of 71906532 in words is "seventy-one million, nine hundred six thousand, five hundred thirty-two".