716140465 has 4 divisors (see below), whose sum is σ = 859368564. Its totient is φ = 572912368.

The previous prime is 716140459. The next prime is 716140499. The reversal of 716140465 is 564041617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564041617 = 12071 ⋅46727.

It can be written as a sum of positive squares in 2 ways, for example, as 336942736 + 379197729 = 18356^2 + 19473^2 .

It is a cyclic number.

It is not a de Polignac number, because 716140465 - 2¹⁹ = 715616177 is a prime.

It is a super-3 number, since 3×716140465³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 716140465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71614042 + ... + 71614051.

It is an arithmetic number, because the mean of its divisors is an integer number (214842141).

Almost surely, 2^716140465 is an apocalyptic number.

It is an amenable number.

716140465 is a deficient number, since it is larger than the sum of its proper divisors (143228099).

716140465 is a wasteful number, since it uses less digits than its factorization.

716140465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143228098.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 716140465 is about 26760.8009035604. The cubic root of 716140465 is about 894.6765848714.

The spelling of 716140465 in words is "seven hundred sixteen million, one hundred forty thousand, four hundred sixty-five".