30493337 has 6 divisors (see below), whose sum is σ = 35471898. Its totient is φ = 26137104.

The previous prime is 30493327. The next prime is 30493343. The reversal of 30493337 is 73339403.

It can be written as a sum of positive squares in only one way, i.e., 30426256 + 67081 = 5516^2 + 259^2 .

It is not a de Polignac number, because 30493337 - 2⁶ = 30493273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30493327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311108 + ... + 311205.

It is an arithmetic number, because the mean of its divisors is an integer number (5911983).

Almost surely, 2^30493337 is an apocalyptic number.

It is an amenable number.

30493337 is a deficient number, since it is larger than the sum of its proper divisors (4978561).

30493337 is an equidigital number, since it uses as much as digits as its factorization.

30493337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622327 (or 622320 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 32.

The square root of 30493337 is about 5522.0772359684. The cubic root of 30493337 is about 312.4172350418.

The spelling of 30493337 in words is "thirty million, four hundred ninety-three thousand, three hundred thirty-seven".