30672268 has 48 divisors (see below), whose sum is σ = 61286400. Its totient is φ = 13305600.

The previous prime is 30672259. The next prime is 30672269. The reversal of 30672268 is 86227603.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (30672269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154033 + ... + 154231.

It is an arithmetic number, because the mean of its divisors is an integer number (1276800).

Almost surely, 2^30672268 is an apocalyptic number.

30672268 is the 3503-rd heptagonal number.

It is an amenable number.

30672268 is a deficient number, since it is larger than the sum of its proper divisors (30614132).

30672268 is a wasteful number, since it uses less digits than its factorization.

30672268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 30672268 is about 5538.2549598226. The cubic root of 30672268 is about 313.0271184743.

It can be divided in two parts, 3067 and 2268, that added together give a palindrome (5335).

The spelling of 30672268 in words is "thirty million, six hundred seventy-two thousand, two hundred sixty-eight".