2741240 has 16 divisors (see below), whose sum is σ = 6167880. Its totient is φ = 1096480.

The previous prime is 2741231. The next prime is 2741251. The reversal of 2741240 is 421472.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34226 + ... + 34305.

2^2741240 is an apocalyptic number.

2741240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2741240 is an abundant number, since it is smaller than the sum of its proper divisors (3426640).

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

2741240 is a wasteful number, since it uses less digits than its factorization.

2741240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68542 (or 68538 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 2741240 is about 1655.6690490554. The cubic root of 2741240 is about 139.9530454782.

The spelling of 2741240 in words is "two million, seven hundred forty-one thousand, two hundred forty".