71406532 has 12 divisors (see below), whose sum is σ = 125045676. Its totient is φ = 35679200.

The previous prime is 71406527. The next prime is 71406563. The reversal of 71406532 is 23560417.

It can be written as a sum of positive squares in 2 ways, for example, as 53816896 + 17589636 = 7336^2 + 4194^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 71406532.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1782 + ... + 12082.

It is an arithmetic number, because the mean of its divisors is an integer number (10420473).

Almost surely, 2^71406532 is an apocalyptic number.

It is an amenable number.

71406532 is a deficient number, since it is larger than the sum of its proper divisors (53639144).

71406532 is a wasteful number, since it uses less digits than its factorization.

71406532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12038 (or 12036 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 71406532 is about 8450.2385765137. The cubic root of 71406532 is about 414.8705881872.

Adding to 71406532 its reverse (23560417), we get a palindrome (94966949).

The spelling of 71406532 in words is "seventy-one million, four hundred six thousand, five hundred thirty-two".