712155120 has 80 divisors (see below), whose sum is σ = 2211287040. Its totient is φ = 189597952.

The previous prime is 712155113. The next prime is 712155149. The reversal of 712155120 is 21551217.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170497 + ... + 174623.

It is an arithmetic number, because the mean of its divisors is an integer number (27641088).

Almost surely, 2^712155120 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 712155120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1105643520).

712155120 is an abundant number, since it is smaller than the sum of its proper divisors (1499131920).

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

712155120 is a wasteful number, since it uses less digits than its factorization.

712155120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4862 (or 4856 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 712155120 is about 26686.2346538435. The cubic root of 712155120 is about 893.0138619043.

The spelling of 712155120 in words is "seven hundred twelve million, one hundred fifty-five thousand, one hundred twenty".