715072865873 has 4 divisors (see below), whose sum is σ = 720217275120. Its totient is φ = 709928456628.

The previous prime is 715072865821. The next prime is 715072865893. The reversal of 715072865873 is 378568270517.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 378568270517 = 1523 ⋅248567479.

It is a cyclic number.

It is not a de Polignac number, because 715072865873 - 2¹² = 715072861777 is a prime.

It is a super-2 number, since 2×715072865873² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (715072865893) by changing a digit.

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, 2572204415 + ... + 2572204692.

It is an arithmetic number, because the mean of its divisors is an integer number (180054318780).

Almost surely, 2^715072865873 is an apocalyptic number.

It is an amenable number.

715072865873 is a deficient number, since it is larger than the sum of its proper divisors (5144409247).

715072865873 is a wasteful number, since it uses less digits than its factorization.

715072865873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5144409246.

The product of its (nonzero) digits is 19756800, while the sum is 59.

The spelling of 715072865873 in words is "seven hundred fifteen billion, seventy-two million, eight hundred sixty-five thousand, eight hundred seventy-three".