720672027156 has 72 divisors (see below), whose sum is σ = 1872500581224. Its totient is φ = 233564866560.

The previous prime is 720672027143. The next prime is 720672027169. The reversal of 720672027156 is 651720276027.

720672027156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (720672027143) and next prime (720672027169).

It can be written as a sum of positive squares in 4 ways, for example, as 268304400 + 720403722756 = 16380^2 + 848766^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 400741 + ... + 1265676.

It is an arithmetic number, because the mean of its divisors is an integer number (26006952517).

Almost surely, 2^720672027156 is an apocalyptic number.

It is an amenable number.

720672027156 is an abundant number, since it is smaller than the sum of its proper divisors (1151828554068).

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

720672027156 is a wasteful number, since it uses less digits than its factorization.

720672027156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666761 (or 1666756 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 720672027156 in words is "seven hundred twenty billion, six hundred seventy-two million, twenty-seven thousand, one hundred fifty-six".