712111992 has 64 divisors (see below), whose sum is σ = 1827048960. Its totient is φ = 231168000.

The previous prime is 712111973. The next prime is 712111999. The reversal of 712111992 is 299111217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712111999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443992 + ... + 445592.

It is an arithmetic number, because the mean of its divisors is an integer number (28547640).

Almost surely, 2^712111992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 712111992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (913524480).

712111992 is an abundant number, since it is smaller than the sum of its proper divisors (1114936968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

712111992 is a wasteful number, since it uses less digits than its factorization.

712111992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084 (or 2080 counting only the distinct ones).

The product of its digits is 2268, while the sum is 33.

The square root of 712111992 is about 26685.4265845611. The cubic root of 712111992 is about 892.9958346149.

The spelling of 712111992 in words is "seven hundred twelve million, one hundred eleven thousand, nine hundred ninety-two".