2173360720 has 40 divisors (see below), whose sum is σ = 5081326560. Its totient is φ = 864481920.

The previous prime is 2173360691. The next prime is 2173360751. The reversal of 2173360720 is 270633712.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61566 + ... + 90205.

It is an arithmetic number, because the mean of its divisors is an integer number (127033164).

Almost surely, 2^2173360720 is an apocalyptic number.

2173360720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2173360720 is an abundant number, since it is smaller than the sum of its proper divisors (2907965840).

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

2173360720 is a wasteful number, since it uses less digits than its factorization.

2173360720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151963 (or 151957 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 2173360720 is about 46619.3170263143. The cubic root of 2173360720 is about 1295.3205966236.

The spelling of 2173360720 in words is "two billion, one hundred seventy-three million, three hundred sixty thousand, seven hundred twenty".