2770340 has 12 divisors (see below), whose sum is σ = 5817756. Its totient is φ = 1108128.

The previous prime is 2770319. The next prime is 2770367. The reversal of 2770340 is 430772.

2770340 = T₃₅₂ + T₃₅₃ + ... + T₃₉₁.

It can be written as a sum of positive squares in 2 ways, for example, as 937024 + 1833316 = 968^2 + 1354^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69239 + ... + 69278.

It is an arithmetic number, because the mean of its divisors is an integer number (484813).

2^2770340 is an apocalyptic number.

2770340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2770340 is an abundant number, since it is smaller than the sum of its proper divisors (3047416).

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

2770340 is a wasteful number, since it uses less digits than its factorization.

2770340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138526 (or 138524 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 2770340 is about 1664.4338376757. The cubic root of 2770340 is about 140.4465334401.

The spelling of 2770340 in words is "two million, seven hundred seventy thousand, three hundred forty".