712591457 has 4 divisors (see below), whose sum is σ = 717374100. Its totient is φ = 707808816.

The previous prime is 712591427. The next prime is 712591459. The reversal of 712591457 is 754195217.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 754195217 = 2357 ⋅319981.

It can be written as a sum of positive squares in 2 ways, for example, as 416200801 + 296390656 = 20401^2 + 17216^2 .

It is a cyclic number.

It is not a de Polignac number, because 712591457 - 2¹⁰ = 712590433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712591459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2391098 + ... + 2391395.

It is an arithmetic number, because the mean of its divisors is an integer number (179343525).

Almost surely, 2^712591457 is an apocalyptic number.

It is an amenable number.

712591457 is a deficient number, since it is larger than the sum of its proper divisors (4782643).

712591457 is a wasteful number, since it uses less digits than its factorization.

712591457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782642.

The product of its digits is 88200, while the sum is 41.

The square root of 712591457 is about 26694.4087216780. The cubic root of 712591457 is about 893.1962076813.

The spelling of 712591457 in words is "seven hundred twelve million, five hundred ninety-one thousand, four hundred fifty-seven".