2371680 has 144 divisors (see below), whose sum is σ = 8530704. Its totient is φ = 622080.

The previous prime is 2371679. The next prime is 2371693. The reversal of 2371680 is 861732.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 38850 + ... + 38910.

It is an arithmetic number, because the mean of its divisors is an integer number (59241).

2^2371680 is an apocalyptic number.

2371680 is a gapful number since it is divisible by the number (20) 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 2371680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4265352).

2371680 is an abundant number, since it is smaller than the sum of its proper divisors (6159024).

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

2371680 is an equidigital number, since it uses as much as digits as its factorization.

2371680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2371680 is about 1540.0259738069. The cubic root of 2371680 is about 133.3578843680.

The spelling of 2371680 in words is "two million, three hundred seventy-one thousand, six hundred eighty".