30474545 has 4 divisors (see below), whose sum is σ = 36569460. Its totient is φ = 24379632.

The previous prime is 30474467. The next prime is 30474551. The reversal of 30474545 is 54547403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54547403 = 397 ⋅137399.

It can be written as a sum of positive squares in 2 ways, for example, as 8111104 + 22363441 = 2848^2 + 4729^2 .

It is a cyclic number.

It is not a de Polignac number, because 30474545 - 2¹² = 30470449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3047450 + ... + 3047459.

It is an arithmetic number, because the mean of its divisors is an integer number (9142365).

Almost surely, 2^30474545 is an apocalyptic number.

It is an amenable number.

30474545 is a deficient number, since it is larger than the sum of its proper divisors (6094915).

30474545 is an equidigital number, since it uses as much as digits as its factorization.

30474545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6094914.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 30474545 is about 5520.3754401309. The cubic root of 30474545 is about 312.3530445039.

The spelling of 30474545 in words is "thirty million, four hundred seventy-four thousand, five hundred forty-five".