712171870 has 64 divisors (see below), whose sum is σ = 1377192960. Its totient is φ = 264384000.

The previous prime is 712171849. The next prime is 712171903. The reversal of 712171870 is 78171217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2954950 + ... + 2955190.

It is an arithmetic number, because the mean of its divisors is an integer number (21518640).

Almost surely, 2^712171870 is an apocalyptic number.

712171870 is a deficient number, since it is larger than the sum of its proper divisors (665021090).

712171870 is a wasteful number, since it uses less digits than its factorization.

712171870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521.

The product of its (nonzero) digits is 5488, while the sum is 34.

The square root of 712171870 is about 26686.5484842083. The cubic root of 712171870 is about 893.0208631247.

The spelling of 712171870 in words is "seven hundred twelve million, one hundred seventy-one thousand, eight hundred seventy".