2661674 has 8 divisors (see below), whose sum is σ = 4058148. Its totient is φ = 1308960.

The previous prime is 2661661. The next prime is 2661689. The reversal of 2661674 is 4761662.

It can be written as a sum of positive squares in 2 ways, for example, as 2544025 + 117649 = 1595^2 + 343^2 .

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

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 2661674.

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, 10787 + ... + 11030.

2^2661674 is an apocalyptic number.

2661674 is a deficient number, since it is larger than the sum of its proper divisors (1396474).

2661674 is a wasteful number, since it uses less digits than its factorization.

2661674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21880.

The product of its digits is 12096, while the sum is 32.

The square root of 2661674 is about 1631.4637599407. The cubic root of 2661674 is about 138.5856577607.

The spelling of 2661674 in words is "two million, six hundred sixty-one thousand, six hundred seventy-four".