7449973 has 2 divisors, whose sum is σ = 7449974. Its totient is φ = 7449972.

The previous prime is 7449971. The next prime is 7449979. The reversal of 7449973 is 3799447.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4566769 + 2883204 = 2137^2 + 1698^2 .

It is an emirp because it is prime and its reverse (3799447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7449973 - 2¹ = 7449971 is a prime.

Together with 7449971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7449971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3724986 + 3724987.

It is an arithmetic number, because the mean of its divisors is an integer number (3724987).

Almost surely, 2^7449973 is an apocalyptic number.

It is an amenable number.

7449973 is a deficient number, since it is larger than the sum of its proper divisors (1).

7449973 is an equidigital number, since it uses as much as digits as its factorization.

7449973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 43.

The square root of 7449973 is about 2729.4638667694. The cubic root of 7449973 is about 195.3071905927.

The spelling of 7449973 in words is "seven million, four hundred forty-nine thousand, nine hundred seventy-three".