304620373 has 2 divisors, whose sum is σ = 304620374. Its totient is φ = 304620372.

The previous prime is 304620367. The next prime is 304620401. The reversal of 304620373 is 373026403.

It is an a-pointer prime, because the next prime (304620401) can be obtained adding 304620373 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 253669329 + 50951044 = 15927^2 + 7138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304620373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304620473) 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, 152310186 + 152310187.

It is an arithmetic number, because the mean of its divisors is an integer number (152310187).

Almost surely, 2^304620373 is an apocalyptic number.

It is an amenable number.

304620373 is a deficient number, since it is larger than the sum of its proper divisors (1).

304620373 is an equidigital number, since it uses as much as digits as its factorization.

304620373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 28.

The square root of 304620373 is about 17453.3771230670. The cubic root of 304620373 is about 672.8521562779.

Adding to 304620373 its reverse (373026403), we get a palindrome (677646776).

The spelling of 304620373 in words is "three hundred four million, six hundred twenty thousand, three hundred seventy-three".