712238881 has 8 divisors (see below), whose sum is σ = 725034240. Its totient is φ = 699525792.

The previous prime is 712238873. The next prime is 712238897. The reversal of 712238881 is 188832217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 712238881 - 2³ = 712238873 is a prime.

It is a super-2 number, since 2×712238881² = 1014568447216264322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (712238831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2965 + ... + 37858.

It is an arithmetic number, because the mean of its divisors is an integer number (90629280).

Almost surely, 2^712238881 is an apocalyptic number.

It is an amenable number.

712238881 is a deficient number, since it is larger than the sum of its proper divisors (12795359).

712238881 is a wasteful number, since it uses less digits than its factorization.

712238881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41135.

The product of its digits is 43008, while the sum is 40.

The square root of 712238881 is about 26687.8039748496. The cubic root of 712238881 is about 893.0488715062.

The spelling of 712238881 in words is "seven hundred twelve million, two hundred thirty-eight thousand, eight hundred eighty-one".