2642730 has 32 divisors (see below), whose sum is σ = 6398784. Its totient is φ = 698496.

The previous prime is 2642713. The next prime is 2642771. The reversal of 2642730 is 372462.

It is a d-powerful number, because it can be written as 2¹³ + 6⁸ + 4³ + 2¹⁷ + 7⁷ + 3⁵ + 0 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2642730.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3789 + ... + 4431.

It is an arithmetic number, because the mean of its divisors is an integer number (199962).

2^2642730 is an apocalyptic number.

2642730 is an abundant number, since it is smaller than the sum of its proper divisors (3756054).

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

2642730 is a wasteful number, since it uses less digits than its factorization.

2642730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 2642730 is about 1625.6475632806. The cubic root of 2642730 is about 138.2560882272.

The spelling of 2642730 in words is "two million, six hundred forty-two thousand, seven hundred thirty".