30484274 has 4 divisors (see below), whose sum is σ = 45726414. Its totient is φ = 15242136.

The previous prime is 30484273. The next prime is 30484277. The reversal of 30484274 is 47248403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47248403 = 2341 ⋅20183.

It can be written as a sum of positive squares in only one way, i.e., 16459249 + 14025025 = 4057^2 + 3745^2 .

It is a super-2 number, since 2×30484274² = 1858581922614152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30484274.

It is not an unprimeable number, because it can be changed into a prime (30484273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7621067 + ... + 7621070.

Almost surely, 2^30484274 is an apocalyptic number.

30484274 is a deficient number, since it is larger than the sum of its proper divisors (15242140).

30484274 is a wasteful number, since it uses less digits than its factorization.

30484274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15242139.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 30484274 is about 5521.2565598784. The cubic root of 30484274 is about 312.3862805423.

The spelling of 30484274 in words is "thirty million, four hundred eighty-four thousand, two hundred seventy-four".