7437973 has 2 divisors, whose sum is σ = 7437974. Its totient is φ = 7437972.

The previous prime is 7437971. The next prime is 7438001. The reversal of 7437973 is 3797347.

It is a happy number.

7437973 is nontrivially palindromic in base 3.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7436529 + 1444 = 2727^2 + 38^2 .

It is a cyclic number.

It is not a de Polignac number, because 7437973 - 2¹ = 7437971 is a prime.

Together with 7437971, 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 (7437971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3718986 + 3718987.

It is an arithmetic number, because the mean of its divisors is an integer number (3718987).

Almost surely, 2^7437973 is an apocalyptic number.

It is an amenable number.

7437973 is a deficient number, since it is larger than the sum of its proper divisors (1).

7437973 is an equidigital number, since it uses as much as digits as its factorization.

7437973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 111132, while the sum is 40.

The square root of 7437973 is about 2727.2647469580. The cubic root of 7437973 is about 195.2022709385.

The spelling of 7437973 in words is "seven million, four hundred thirty-seven thousand, nine hundred seventy-three".