712197720 has 192 divisors, whose sum is σ = 2573625600. Its totient is φ = 169620480.

The previous prime is 712197683. The next prime is 712197727. The reversal of 712197720 is 27791217.

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 (712197727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142626 + ... + 147534.

It is an arithmetic number, because the mean of its divisors is an integer number (13404300).

Almost surely, 2^712197720 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 712197720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1286812800).

712197720 is an abundant number, since it is smaller than the sum of its proper divisors (1861427880).

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

712197720 is a wasteful number, since it uses less digits than its factorization.

712197720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4970 (or 4963 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

The square root of 712197720 is about 26687.0328062151. The cubic root of 712197720 is about 893.0316677779.

The spelling of 712197720 in words is "seven hundred twelve million, one hundred ninety-seven thousand, seven hundred twenty".