71590472 has 16 divisors (see below), whose sum is σ = 135421740. Its totient is φ = 35478016.

The previous prime is 71590457. The next prime is 71590483. The reversal of 71590472 is 27409517.

It can be written as a sum of positive squares in 2 ways, for example, as 59382436 + 12208036 = 7706^2 + 3494^2 .

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, 38693 + ... + 40500.

Almost surely, 2^71590472 is an apocalyptic number.

It is an amenable number.

71590472 is a deficient number, since it is larger than the sum of its proper divisors (63831268).

71590472 is a wasteful number, since it uses less digits than its factorization.

71590472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79312 (or 79308 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 71590472 is about 8461.1152929150. The cubic root of 71590472 is about 415.2265120439.

Adding to 71590472 its reverse (27409517), we get a palindrome (98999989).

The spelling of 71590472 in words is "seventy-one million, five hundred ninety thousand, four hundred seventy-two".