30974545 has 8 divisors (see below), whose sum is σ = 42479424. Its totient is φ = 21239664.

The previous prime is 30974539. The next prime is 30974597. The reversal of 30974545 is 54547903.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30974545 - 2¹¹ = 30972497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442459 + ... + 442528.

It is an arithmetic number, because the mean of its divisors is an integer number (5309928).

Almost surely, 2^30974545 is an apocalyptic number.

30974545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30974545 is a deficient number, since it is larger than the sum of its proper divisors (11504879).

30974545 is an equidigital number, since it uses as much as digits as its factorization.

30974545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884999.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 30974545 is about 5565.4779668956. The cubic root of 30974545 is about 314.0520590656.

The spelling of 30974545 in words is "thirty million, nine hundred seventy-four thousand, five hundred forty-five".