30807373 has 6 divisors (see below), whose sum is σ = 32205614. Its totient is φ = 29467416.

The previous prime is 30807353. The next prime is 30807377. The reversal of 30807373 is 37370803.

It can be written as a sum of positive squares in only one way, i.e., 28965924 + 1841449 = 5382^2 + 1357^2 .

It is not a de Polignac number, because 30807373 - 2²¹ = 28710221 is a prime.

It is a super-2 number, since 2×30807373² = 1898188462322258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30807377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28590 + ... + 29647.

Almost surely, 2^30807373 is an apocalyptic number.

It is an amenable number.

30807373 is a deficient number, since it is larger than the sum of its proper divisors (1398241).

30807373 is an equidigital number, since it uses as much as digits as its factorization.

30807373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58283 (or 58260 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 30807373 is about 5550.4389916474. The cubic root of 30807373 is about 313.4860518796.

The spelling of 30807373 in words is "thirty million, eight hundred seven thousand, three hundred seventy-three".