715072238197 has 4 divisors (see below), whose sum is σ = 718194824620. Its totient is φ = 711949651776.

The previous prime is 715072238173. The next prime is 715072238203. The reversal of 715072238197 is 791832270517.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 791832270517 = 22307 ⋅35497031.

It can be written as a sum of positive squares in 2 ways, for example, as 367810712676 + 347261525521 = 606474^2 + 589289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-715072238197 is a prime.

It is a super-2 number, since 2×715072238197² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (715072238497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1561292868 + ... + 1561293325.

It is an arithmetic number, because the mean of its divisors is an integer number (179548706155).

Almost surely, 2^715072238197 is an apocalyptic number.

It is an amenable number.

715072238197 is a deficient number, since it is larger than the sum of its proper divisors (3122586423).

715072238197 is a wasteful number, since it uses less digits than its factorization.

715072238197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122586422.

The product of its (nonzero) digits is 1481760, while the sum is 52.

The spelling of 715072238197 in words is "seven hundred fifteen billion, seventy-two million, two hundred thirty-eight thousand, one hundred ninety-seven".