30724484 has 24 divisors (see below), whose sum is σ = 62018880. Its totient is φ = 13045536.

The previous prime is 30724483. The next prime is 30724517. The reversal of 30724484 is 48442703.

It is a self number, because there is not a number n which added to its sum of digits gives 30724484.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30724483) by changing a digit.

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, 1982 + ... + 8085.

It is an arithmetic number, because the mean of its divisors is an integer number (2584120).

Almost surely, 2^30724484 is an apocalyptic number.

It is an amenable number.

30724484 is an abundant number, since it is smaller than the sum of its proper divisors (31294396).

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

30724484 is a wasteful number, since it uses less digits than its factorization.

30724484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10187 (or 10185 counting only the distinct ones).

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

The square root of 30724484 is about 5542.9670754931. The cubic root of 30724484 is about 313.2046486307.

The spelling of 30724484 in words is "thirty million, seven hundred twenty-four thousand, four hundred eighty-four".