2664473 has 6 divisors (see below), whose sum is σ = 3099546. Its totient is φ = 2283792.

The previous prime is 2664451. The next prime is 2664479. The reversal of 2664473 is 3744662.

It can be written as a sum of positive squares in only one way, i.e., 2569609 + 94864 = 1603^2 + 308^2 .

It is not a de Polignac number, because 2664473 - 2¹² = 2660377 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2664479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27140 + ... + 27237.

It is an arithmetic number, because the mean of its divisors is an integer number (516591).

2^2664473 is an apocalyptic number.

It is an amenable number.

2664473 is a deficient number, since it is larger than the sum of its proper divisors (435073).

2664473 is an equidigital number, since it uses as much as digits as its factorization.

2664473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54391 (or 54384 counting only the distinct ones).

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

The square root of 2664473 is about 1632.3213531655. The cubic root of 2664473 is about 138.6342193507.

The spelling of 2664473 in words is "two million, six hundred sixty-four thousand, four hundred seventy-three".