2659720 has 96 divisors (see below), whose sum is σ = 7387200. Its totient is φ = 857472.

The previous prime is 2659717. The next prime is 2659751. The reversal of 2659720 is 279562.

It is a super-2 number, since 2×2659720² = 14148220956800, which contains 22 as substring.

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, 45051 + ... + 45109.

It is an arithmetic number, because the mean of its divisors is an integer number (76950).

2^2659720 is an apocalyptic number.

2659720 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 2659720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3693600).

2659720 is an abundant number, since it is smaller than the sum of its proper divisors (4727480).

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

2659720 is a wasteful number, since it uses less digits than its factorization.

2659720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 2659720 is about 1630.8648012634. The cubic root of 2659720 is about 138.5517364180.

The spelling of 2659720 in words is "two million, six hundred fifty-nine thousand, seven hundred twenty".