2642770 has 32 divisors (see below), whose sum is σ = 5307120. Its totient is φ = 940800.

The previous prime is 2642713. The next prime is 2642771. The reversal of 2642770 is 772462.

It can be written as a sum of positive squares in 8 ways, for example, as 1185921 + 1456849 = 1089^2 + 1207^2 .

It is a d-powerful number, because it can be written as 2¹³ + 6⁸ + 4 + 2¹⁷ + 7³ + 7⁷ + 0 .

It is not an unprimeable number, because it can be changed into a prime (2642771) 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, 3420 + ... + 4120.

2^2642770 is an apocalyptic number.

2642770 is an abundant number, since it is smaller than the sum of its proper divisors (2664350).

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

2642770 is a wasteful number, since it uses less digits than its factorization.

2642770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 2642770 is about 1625.6598660236. The cubic root of 2642770 is about 138.2567857654.

The spelling of 2642770 in words is "two million, six hundred forty-two thousand, seven hundred seventy".