2540670 has 32 divisors (see below), whose sum is σ = 6652800. Its totient is φ = 615840.

The previous prime is 2540663. The next prime is 2540677. The reversal of 2540670 is 760452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2540663) and next prime (2540677).

It is a self number, because there is not a number n which added to its sum of digits gives 2540670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3520 + ... + 4179.

It is an arithmetic number, because the mean of its divisors is an integer number (207900).

2^2540670 is an apocalyptic number.

2540670 is an abundant number, since it is smaller than the sum of its proper divisors (4112130).

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

2540670 is a wasteful number, since it uses less digits than its factorization.

2540670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7720.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 2540670 is about 1593.9479288860. The cubic root of 2540670 is about 136.4528946935.

The spelling of 2540670 in words is "two million, five hundred forty thousand, six hundred seventy".