71536460 has 24 divisors (see below), whose sum is σ = 150511200. Its totient is φ = 28560384.

The previous prime is 71536447. The next prime is 71536481. The reversal of 71536460 is 6463517.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8441 + ... + 14639.

It is an arithmetic number, because the mean of its divisors is an integer number (6271300).

Almost surely, 2^71536460 is an apocalyptic number.

It is an amenable number.

71536460 is an abundant number, since it is smaller than the sum of its proper divisors (78974740).

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

71536460 is a wasteful number, since it uses less digits than its factorization.

71536460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6785 (or 6783 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 71536460 is about 8457.9229128670. The cubic root of 71536460 is about 415.1220621256.

Adding to 71536460 its reverse (6463517), we get a palindrome (77999977).

The spelling of 71536460 in words is "seventy-one million, five hundred thirty-six thousand, four hundred sixty".