30477472 has 24 divisors (see below), whose sum is σ = 60196500. Its totient is φ = 15189504.

The previous prime is 30477467. The next prime is 30477511. The reversal of 30477472 is 27477403.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25441936 + 5035536 = 5044^2 + 2244^2 .

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, 9804 + ... + 12532.

Almost surely, 2^30477472 is an apocalyptic number.

30477472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30477472 is a deficient number, since it is larger than the sum of its proper divisors (29719028).

30477472 is a wasteful number, since it uses less digits than its factorization.

30477472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088 (or 3080 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 30477472 is about 5520.6405425458. The cubic root of 30477472 is about 312.3630444136.

The spelling of 30477472 in words is "thirty million, four hundred seventy-seven thousand, four hundred seventy-two".