7220673 has 6 divisors (see below), whose sum is σ = 10429874. Its totient is φ = 4813776.

The previous prime is 7220671. The next prime is 7220677. The reversal of 7220673 is 3760227.

7220673 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5602689 + 1617984 = 2367^2 + 1272^2 .

It is not a de Polignac number, because 7220673 - 2¹ = 7220671 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 (7220671) 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, 401140 + ... + 401157.

Almost surely, 2^7220673 is an apocalyptic number.

It is an amenable number.

7220673 is a deficient number, since it is larger than the sum of its proper divisors (3209201).

7220673 is a wasteful number, since it uses less digits than its factorization.

7220673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802303 (or 802300 counting only the distinct ones).

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

The square root of 7220673 is about 2687.1309979232. The cubic root of 7220673 is about 193.2825110831.

The spelling of 7220673 in words is "seven million, two hundred twenty thousand, six hundred seventy-three".