712217243 has 4 divisors (see below), whose sum is σ = 712686408. Its totient is φ = 711748080.

The previous prime is 712217237. The next prime is 712217257. The reversal of 712217243 is 342712217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342712217 = 2677 ⋅128021.

It is a cyclic number.

It is not a de Polignac number, because 712217243 - 2⁸ = 712216987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712217203) 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, 232298 + ... + 235343.

It is an arithmetic number, because the mean of its divisors is an integer number (178171602).

Almost surely, 2^712217243 is an apocalyptic number.

712217243 is a deficient number, since it is larger than the sum of its proper divisors (469165).

712217243 is a wasteful number, since it uses less digits than its factorization.

712217243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469164.

The product of its digits is 4704, while the sum is 29.

The square root of 712217243 is about 26687.3985806035. The cubic root of 712217243 is about 893.0398277300.

The spelling of 712217243 in words is "seven hundred twelve million, two hundred seventeen thousand, two hundred forty-three".