30337997 has 6 divisors (see below), whose sum is σ = 30764682. Its totient is φ = 29917152.

The previous prime is 30337987. The next prime is 30337999. The reversal of 30337997 is 79973303.

It can be written as a sum of positive squares in 3 ways, for example, as 1811716 + 28526281 = 1346^2 + 5341^2 .

It is not a de Polignac number, because 30337997 - 2⁴ = 30337981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30337999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2483 + ... + 8175.

It is an arithmetic number, because the mean of its divisors is an integer number (5127447).

Almost surely, 2^30337997 is an apocalyptic number.

It is an amenable number.

30337997 is a deficient number, since it is larger than the sum of its proper divisors (426685).

30337997 is an frugal number, since it uses more digits than its factorization.

30337997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5839 (or 5766 counting only the distinct ones).

The product of its (nonzero) digits is 107163, while the sum is 41.

The square root of 30337997 is about 5507.9939179342. The cubic root of 30337997 is about 311.8858234698.

The spelling of 30337997 in words is "thirty million, three hundred thirty-seven thousand, nine hundred ninety-seven".