30312674 has 12 divisors (see below), whose sum is σ = 52892694. Its totient is φ = 12991104.

The previous prime is 30312673. The next prime is 30312691. The reversal of 30312674 is 47621303.

It can be written as a sum of positive squares in only one way, i.e., 30195025 + 117649 = 5495^2 + 343^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30312673) 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, 154559 + ... + 154754.

Almost surely, 2^30312674 is an apocalyptic number.

30312674 is a deficient number, since it is larger than the sum of its proper divisors (22580020).

30312674 is a wasteful number, since it uses less digits than its factorization.

30312674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309329 (or 309322 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 30312674 is about 5505.6946882296. The cubic root of 30312674 is about 311.7990227144.

Adding to 30312674 its reverse (47621303), we get a palindrome (77933977).

The spelling of 30312674 in words is "thirty million, three hundred twelve thousand, six hundred seventy-four".