2574642 has 32 divisors (see below), whose sum is σ = 5990400. Its totient is φ = 722448.

The previous prime is 2574623. The next prime is 2574653. The reversal of 2574642 is 2464752.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1959 + ... + 2997.

It is an arithmetic number, because the mean of its divisors is an integer number (187200).

2^2574642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2574642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2995200).

2574642 is an abundant number, since it is smaller than the sum of its proper divisors (3415758).

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

2574642 is a wasteful number, since it uses less digits than its factorization.

2574642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110.

The product of its digits is 13440, while the sum is 30.

The square root of 2574642 is about 1604.5691010362. The cubic root of 2574642 is about 137.0583870333.

The spelling of 2574642 in words is "two million, five hundred seventy-four thousand, six hundred forty-two".