71572460 has 24 divisors (see below), whose sum is σ = 150501456. Its totient is φ = 28591040.

The previous prime is 71572453. The next prime is 71572463. The reversal of 71572460 is 6427517.

It is not an unprimeable number, because it can be changed into a prime (71572463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16919 + ... + 20721.

It is an arithmetic number, because the mean of its divisors is an integer number (6270894).

Almost surely, 2^71572460 is an apocalyptic number.

It is an amenable number.

71572460 is an abundant number, since it is smaller than the sum of its proper divisors (78928996).

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

71572460 is a wasteful number, since it uses less digits than its factorization.

71572460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4753 (or 4751 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 71572460 is about 8460.0508272705. The cubic root of 71572460 is about 415.1916857742.

Adding to 71572460 its reverse (6427517), we get a palindrome (77999977).

The spelling of 71572460 in words is "seventy-one million, five hundred seventy-two thousand, four hundred sixty".