30741472 has 24 divisors (see below), whose sum is σ = 62001072. Its totient is φ = 14995200.

The previous prime is 30741467. The next prime is 30741497. The reversal of 30741472 is 27414703.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 30741472.

It is a congruent number.

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, 10404 + ... + 13027.

It is an arithmetic number, because the mean of its divisors is an integer number (2583378).

Almost surely, 2^30741472 is an apocalyptic number.

30741472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30741472 is an abundant number, since it is smaller than the sum of its proper divisors (31259600).

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

30741472 is a wasteful number, since it uses less digits than its factorization.

30741472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23482 (or 23474 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 30741472 is about 5544.4992560194. The cubic root of 30741472 is about 313.2623630824.

It can be divided in two parts, 30741 and 472, that added together give a palindrome (31213).

The spelling of 30741472 in words is "thirty million, seven hundred forty-one thousand, four hundred seventy-two".