30674138 has 16 divisors (see below), whose sum is σ = 50298624. Its totient is φ = 13913760.

The previous prime is 30674131. The next prime is 30674167. The reversal of 30674138 is 83147603.

It is not an unprimeable number, because it can be changed into a prime (30674131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12206 + ... + 14502.

It is an arithmetic number, because the mean of its divisors is an integer number (3143664).

Almost surely, 2^30674138 is an apocalyptic number.

30674138 is a deficient number, since it is larger than the sum of its proper divisors (19624486).

30674138 is a wasteful number, since it uses less digits than its factorization.

30674138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 30674138 is about 5538.4237829910. The cubic root of 30674138 is about 313.0334797995.

The spelling of 30674138 in words is "thirty million, six hundred seventy-four thousand, one hundred thirty-eight".