2690720 has 48 divisors (see below), whose sum is σ = 6477408. Its totient is φ = 1056000.

The previous prime is 2690719. The next prime is 2690767. The reversal of 2690720 is 270962.

It is a self number, because there is not a number n which added to its sum of digits gives 2690720.

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, 10595 + ... + 10845.

It is an arithmetic number, because the mean of its divisors is an integer number (134946).

2^2690720 is an apocalyptic number.

2690720 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 2690720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3238704).

2690720 is an abundant number, since it is smaller than the sum of its proper divisors (3786688).

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

2690720 is a wasteful number, since it uses less digits than its factorization.

2690720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2690720 is about 1640.3414278741. The cubic root of 2690720 is about 139.0879487575.

The spelling of 2690720 in words is "two million, six hundred ninety thousand, seven hundred twenty".