30534480 has 60 divisors (see below), whose sum is σ = 102547380. Its totient is φ = 8142336.

The previous prime is 30534479. The next prime is 30534523. The reversal of 30534480 is 8443503.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16064064 + 14470416 = 4008^2 + 3804^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 20485 + ... + 21924.

It is an arithmetic number, because the mean of its divisors is an integer number (1709123).

Almost surely, 2^30534480 is an apocalyptic number.

30534480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30534480 is an abundant number, since it is smaller than the sum of its proper divisors (72012900).

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

30534480 is a wasteful number, since it uses less digits than its factorization.

30534480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42428 (or 42419 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 30534480 is about 5525.8012993592. The cubic root of 30534480 is about 312.5576810859.

Adding to 30534480 its reverse (8443503), we get a palindrome (38977983).

The spelling of 30534480 in words is "thirty million, five hundred thirty-four thousand, four hundred eighty".