712129392 has 120 divisors (see below), whose sum is σ = 2160840864. Its totient is φ = 217631232.

The previous prime is 712129357. The next prime is 712129393. The reversal of 712129392 is 293921217.

712129392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (712129393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292693 + ... + 295115.

Almost surely, 2^712129392 is an apocalyptic number.

712129392 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 712129392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1080420432).

712129392 is an abundant number, since it is smaller than the sum of its proper divisors (1448711472).

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

712129392 is a wasteful number, since it uses less digits than its factorization.

712129392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2607 (or 2598 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 712129392 is about 26685.7526032151. The cubic root of 712129392 is about 893.0031078159.

The spelling of 712129392 in words is "seven hundred twelve million, one hundred twenty-nine thousand, three hundred ninety-two".