30481744 has 10 divisors (see below), whose sum is σ = 59058410. Its totient is φ = 15240864.

The previous prime is 30481733. The next prime is 30481751. The reversal of 30481744 is 44718403.

It can be written as a sum of positive squares in only one way, i.e., 18147600 + 12334144 = 4260^2 + 3512^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 952539 + ... + 952570.

It is an arithmetic number, because the mean of its divisors is an integer number (5905841).

Almost surely, 2^30481744 is an apocalyptic number.

It is an amenable number.

30481744 is a deficient number, since it is larger than the sum of its proper divisors (28576666).

30481744 is a wasteful number, since it uses less digits than its factorization.

30481744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905117 (or 1905111 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 30481744 is about 5521.0274406128. The cubic root of 30481744 is about 312.3776382813.

The spelling of 30481744 in words is "thirty million, four hundred eighty-one thousand, seven hundred forty-four".