716540072 has 32 divisors (see below), whose sum is σ = 1449397800. Its totient is φ = 330829824.

The previous prime is 716540063. The next prime is 716540093. The reversal of 716540072 is 270045617.

It can be written as a sum of positive squares in 4 ways, for example, as 714706756 + 1833316 = 26734^2 + 1354^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42497 + ... + 56912.

Almost surely, 2^716540072 is an apocalyptic number.

It is an amenable number.

716540072 is an abundant number, since it is smaller than the sum of its proper divisors (732857728).

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

716540072 is a wasteful number, since it uses less digits than its factorization.

716540072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99485 (or 99481 counting only the distinct ones).

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

The square root of 716540072 is about 26768.2661373500. The cubic root of 716540072 is about 894.8429640319.

Adding to 716540072 its reverse (270045617), we get a palindrome (986585689).

The spelling of 716540072 in words is "seven hundred sixteen million, five hundred forty thousand, seventy-two".