7420073 has 2 divisors, whose sum is σ = 7420074. Its totient is φ = 7420072.

The previous prime is 7420069. The next prime is 7420079. The reversal of 7420073 is 3700247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6822544 + 597529 = 2612^2 + 773^2 .

It is a cyclic number.

It is not a de Polignac number, because 7420073 - 2² = 7420069 is a prime.

It is not a weakly prime, because it can be changed into another prime (7420079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710036 + 3710037.

It is an arithmetic number, because the mean of its divisors is an integer number (3710037).

Almost surely, 2^7420073 is an apocalyptic number.

It is an amenable number.

7420073 is a deficient number, since it is larger than the sum of its proper divisors (1).

7420073 is an equidigital number, since it uses as much as digits as its factorization.

7420073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 7420073 is about 2723.9810939138. The cubic root of 7420073 is about 195.0455558697.

The spelling of 7420073 in words is "seven million, four hundred twenty thousand, seventy-three".