2774740 has 24 divisors (see below), whose sum is σ = 6170472. Its totient is φ = 1044480.

The previous prime is 2774731. The next prime is 2774767. The reversal of 2774740 is 474772.

2774740 = T₂₅₁ + T₂₅₂ + ... + T₃₁₈.

2774740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 427716 + 2347024 = 654^2 + 1532^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3741 + ... + 4420.

It is an arithmetic number, because the mean of its divisors is an integer number (257103).

2^2774740 is an apocalyptic number.

2774740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2774740 is an abundant number, since it is smaller than the sum of its proper divisors (3395732).

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

2774740 is a wasteful number, since it uses less digits than its factorization.

2774740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8187 (or 8185 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 31.

The square root of 2774740 is about 1665.7550840385. The cubic root of 2774740 is about 140.5208489723.

Subtracting from 2774740 its reverse (474772), we obtain a cube (2299968 = 132³).

The spelling of 2774740 in words is "two million, seven hundred seventy-four thousand, seven hundred forty".