2720260 has 12 divisors (see below), whose sum is σ = 5712588. Its totient is φ = 1088096.

The previous prime is 2720251. The next prime is 2720269. The reversal of 2720260 is 620272.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2720251) and next prime (2720269).

It can be written as a sum of positive squares in 2 ways, for example, as 876096 + 1844164 = 936^2 + 1358^2 .

It is not an unprimeable number, because it can be changed into a prime (2720269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67987 + ... + 68026.

It is an arithmetic number, because the mean of its divisors is an integer number (476049).

2^2720260 is an apocalyptic number.

2720260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2720260 is an abundant number, since it is smaller than the sum of its proper divisors (2992328).

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

2720260 is a wasteful number, since it uses less digits than its factorization.

2720260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136022 (or 136020 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2720260 is about 1649.3210724416. The cubic root of 2720260 is about 139.5950885375.

The spelling of 2720260 in words is "two million, seven hundred twenty thousand, two hundred sixty".