2664374 has 4 divisors (see below), whose sum is σ = 3996564. Its totient is φ = 1332186.

The previous prime is 2664367. The next prime is 2664379. The reversal of 2664374 is 4734662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4734662 = 2 ⋅2367331.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2664374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666092 + ... + 666095.

It is an arithmetic number, because the mean of its divisors is an integer number (999141).

2^2664374 is an apocalyptic number.

2664374 is a deficient number, since it is larger than the sum of its proper divisors (1332190).

2664374 is a wasteful number, since it uses less digits than its factorization.

2664374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332189.

The product of its digits is 24192, while the sum is 32.

The square root of 2664374 is about 1632.2910279726. The cubic root of 2664374 is about 138.6325023185.

The spelling of 2664374 in words is "two million, six hundred sixty-four thousand, three hundred seventy-four".