30473540 has 24 divisors (see below), whose sum is σ = 64193472. Its totient is φ = 12151520.

The previous prime is 30473507. The next prime is 30473557. The reversal of 30473540 is 4537403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4745 + ... + 9135.

It is an arithmetic number, because the mean of its divisors is an integer number (2674728).

Almost surely, 2^30473540 is an apocalyptic number.

It is an amenable number.

30473540 is an abundant number, since it is smaller than the sum of its proper divisors (33719932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30473540 is a wasteful number, since it uses less digits than its factorization.

30473540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747 (or 4745 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 30473540 is about 5520.2844129628. The cubic root of 30473540 is about 312.3496108375.

It can be divided in two parts, 30473 and 540, that added together give a palindrome (31013).

The spelling of 30473540 in words is "thirty million, four hundred seventy-three thousand, five hundred forty".