30554740 has 12 divisors (see below), whose sum is σ = 64164996. Its totient is φ = 12221888.

The previous prime is 30554723. The next prime is 30554749. The reversal of 30554740 is 4745503.

It can be written as a sum of positive squares in 2 ways, for example, as 8988004 + 21566736 = 2998^2 + 4644^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30554699 and 30554708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30554749) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 763849 + ... + 763888.

It is an arithmetic number, because the mean of its divisors is an integer number (5347083).

Almost surely, 2^30554740 is an apocalyptic number.

It is an amenable number.

30554740 is an abundant number, since it is smaller than the sum of its proper divisors (33610256).

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

30554740 is a wasteful number, since it uses less digits than its factorization.

30554740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527746 (or 1527744 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 30554740 is about 5527.6342136578. The cubic root of 30554740 is about 312.6267944139.

The spelling of 30554740 in words is "thirty million, five hundred fifty-four thousand, seven hundred forty".