2781474 has 8 divisors (see below), whose sum is σ = 5562960. Its totient is φ = 927156.

The previous prime is 2781469. The next prime is 2781487. The reversal of 2781474 is 4741872.

It is a sphenic number, since it is the product of 3 distinct primes.

2781474 is an admirable number.

It is a super-2 number, since 2×2781474² = 15473195225352, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

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, 231784 + ... + 231795.

It is an arithmetic number, because the mean of its divisors is an integer number (695370).

2^2781474 is an apocalyptic number.

2781474 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2781474 is a wasteful number, since it uses less digits than its factorization.

2781474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463584.

The product of its digits is 12544, while the sum is 33.

The square root of 2781474 is about 1667.7751647030. The cubic root of 2781474 is about 140.6344335400.

The spelling of 2781474 in words is "two million, seven hundred eighty-one thousand, four hundred seventy-four".