71472580 has 12 divisors (see below), whose sum is σ = 150092460. Its totient is φ = 28589024.

The previous prime is 71472563. The next prime is 71472581. The reversal of 71472580 is 8527417.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47969476 + 23503104 = 6926^2 + 4848^2 .

It is not an unprimeable number, because it can be changed into a prime (71472581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1786795 + ... + 1786834.

It is an arithmetic number, because the mean of its divisors is an integer number (12507705).

Almost surely, 2^71472580 is an apocalyptic number.

It is an amenable number.

71472580 is an abundant number, since it is smaller than the sum of its proper divisors (78619880).

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

71472580 is a wasteful number, since it uses less digits than its factorization.

71472580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573638 (or 3573636 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 71472580 is about 8454.1457285760. The cubic root of 71472580 is about 414.9984613094.

Adding to 71472580 its reverse (8527417), we get a palindrome (79999997).

The spelling of 71472580 in words is "seventy-one million, four hundred seventy-two thousand, five hundred eighty".