30449470 has 32 divisors (see below), whose sum is σ = 58605120. Its totient is φ = 11362560.

The previous prime is 30449459. The next prime is 30449501. The reversal of 30449470 is 7494403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7816 + ... + 11044.

It is an arithmetic number, because the mean of its divisors is an integer number (1831410).

Almost surely, 2^30449470 is an apocalyptic number.

30449470 is a deficient number, since it is larger than the sum of its proper divisors (28155650).

30449470 is a wasteful number, since it uses less digits than its factorization.

30449470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 30449470 is about 5518.1038409947. The cubic root of 30449470 is about 312.2673511080.

The spelling of 30449470 in words is "thirty million, four hundred forty-nine thousand, four hundred seventy".