2742280 has 32 divisors (see below), whose sum is σ = 6220800. Its totient is φ = 1087936.

The previous prime is 2742277. The next prime is 2742283. The reversal of 2742280 is 822472.

It is an interprime number because it is at equal distance from previous prime (2742277) and next prime (2742283).

It is not an unprimeable number, because it can be changed into a prime (2742283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6969 + ... + 7351.

It is an arithmetic number, because the mean of its divisors is an integer number (194400).

2^2742280 is an apocalyptic number.

2742280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2742280 is an abundant number, since it is smaller than the sum of its proper divisors (3478520).

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

2742280 is a wasteful number, since it uses less digits than its factorization.

2742280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2742280 is about 1655.9830917011. The cubic root of 2742280 is about 139.9707421853.

The spelling of 2742280 in words is "two million, seven hundred forty-two thousand, two hundred eighty".