30937268 has 6 divisors (see below), whose sum is σ = 54140226. Its totient is φ = 15468632.

The previous prime is 30937267. The next prime is 30937279. The reversal of 30937268 is 86273903.

It can be written as a sum of positive squares in only one way, i.e., 19254544 + 11682724 = 4388^2 + 3418^2 .

It is a super-2 number, since 2×30937268² = 1914229102607648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30937267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3867155 + ... + 3867162.

It is an arithmetic number, because the mean of its divisors is an integer number (9023371).

Almost surely, 2^30937268 is an apocalyptic number.

It is an amenable number.

30937268 is a deficient number, since it is larger than the sum of its proper divisors (23202958).

30937268 is a wasteful number, since it uses less digits than its factorization.

30937268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7734321 (or 7734319 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 30937268 is about 5562.1280100336. The cubic root of 30937268 is about 313.9260241977.

The spelling of 30937268 in words is "thirty million, nine hundred thirty-seven thousand, two hundred sixty-eight".