2720673 has 6 divisors (see below), whose sum is σ = 3929874. Its totient is φ = 1813776.

The previous prime is 2720671. The next prime is 2720677. The reversal of 2720673 is 3760272.

It can be written as a sum of positive squares in only one way, i.e., 1580049 + 1140624 = 1257^2 + 1068^2 .

It is not a de Polignac number, because 2720673 - 2¹ = 2720671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2720671) 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, 151140 + ... + 151157.

It is an arithmetic number, because the mean of its divisors is an integer number (654979).

2^2720673 is an apocalyptic number.

It is an amenable number.

2720673 is a deficient number, since it is larger than the sum of its proper divisors (1209201).

2720673 is a wasteful number, since it uses less digits than its factorization.

2720673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302303 (or 302300 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 2720673 is about 1649.4462707224. The cubic root of 2720673 is about 139.6021527953.

The spelling of 2720673 in words is "two million, seven hundred twenty thousand, six hundred seventy-three".