30140674 has 4 divisors (see below), whose sum is σ = 45211014. Its totient is φ = 15070336.

The previous prime is 30140639. The next prime is 30140731. The reversal of 30140674 is 47604103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18533025 + 11607649 = 4305^2 + 3407^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7535167 + ... + 7535170.

Almost surely, 2^30140674 is an apocalyptic number.

30140674 is a deficient number, since it is larger than the sum of its proper divisors (15070340).

30140674 is a wasteful number, since it uses less digits than its factorization.

30140674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15070339.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 30140674 is about 5490.0522766181. The cubic root of 30140674 is about 311.2081676870.

Adding to 30140674 its reverse (47604103), we get a palindrome (77744777).

The spelling of 30140674 in words is "thirty million, one hundred forty thousand, six hundred seventy-four".