2664737 has 4 divisors (see below), whose sum is σ = 2676036. Its totient is φ = 2653440.

The previous prime is 2664721. The next prime is 2664763. The reversal of 2664737 is 7374662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1234321 + 1430416 = 1111^2 + 1196^2 .

It is a cyclic number.

It is not a de Polignac number, because 2664737 - 2⁴ = 2664721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2664697 and 2664706.

It is not an unprimeable number, because it can be changed into a prime (2664707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5288 + ... + 5769.

It is an arithmetic number, because the mean of its divisors is an integer number (669009).

2^2664737 is an apocalyptic number.

It is an amenable number.

2664737 is a deficient number, since it is larger than the sum of its proper divisors (11299).

2664737 is a wasteful number, since it uses less digits than its factorization.

2664737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11298.

The product of its digits is 42336, while the sum is 35.

The square root of 2664737 is about 1632.4022175922. The cubic root of 2664737 is about 138.6387978953.

The spelling of 2664737 in words is "two million, six hundred sixty-four thousand, seven hundred thirty-seven".