712543388 has 12 divisors (see below), whose sum is σ = 1258605432. Its totient is φ = 352941840.

The previous prime is 712543361. The next prime is 712543393. The reversal of 712543388 is 883345217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831983 + ... + 832838.

It is an arithmetic number, because the mean of its divisors is an integer number (104883786).

Almost surely, 2^712543388 is an apocalyptic number.

It is an amenable number.

712543388 is a deficient number, since it is larger than the sum of its proper divisors (546062044).

712543388 is a wasteful number, since it uses less digits than its factorization.

712543388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664932 (or 1664930 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 712543388 is about 26693.5083494096. The cubic root of 712543388 is about 893.1761232353.

The spelling of 712543388 in words is "seven hundred twelve million, five hundred forty-three thousand, three hundred eighty-eight".