716866545 has 24 divisors (see below), whose sum is σ = 1174326336. Its totient is φ = 373423008.

The previous prime is 716866543. The next prime is 716866583. The reversal of 716866545 is 545668617.

It is not a de Polignac number, because 716866545 - 2¹ = 716866543 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 716866494 and 716866503.

It is not an unprimeable number, because it can be changed into a prime (716866541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14812 + ... + 40658.

It is an arithmetic number, because the mean of its divisors is an integer number (48930264).

Almost surely, 2^716866545 is an apocalyptic number.

It is an amenable number.

716866545 is a deficient number, since it is larger than the sum of its proper divisors (457459791).

716866545 is a wasteful number, since it uses less digits than its factorization.

716866545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25941 (or 25898 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 716866545 is about 26774.3635778705. The cubic root of 716866545 is about 894.9788474345.

The spelling of 716866545 in words is "seven hundred sixteen million, eight hundred sixty-six thousand, five hundred forty-five".