30754940 has 24 divisors (see below), whose sum is σ = 64714272. Its totient is φ = 12277440.

The previous prime is 30754931. The next prime is 30754981. The reversal of 30754940 is 4945703.

It is a junction number, because it is equal to n+sod(n) for n = 30754897 and 30754906.

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 7 ways as a sum of consecutive naturals, for example, 11402 + ... + 13838.

It is an arithmetic number, because the mean of its divisors is an integer number (2696428).

Almost surely, 2^30754940 is an apocalyptic number.

It is an amenable number.

30754940 is an abundant number, since it is smaller than the sum of its proper divisors (33959332).

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

30754940 is a wasteful number, since it uses less digits than its factorization.

30754940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077 (or 3075 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 30754940 is about 5545.7136601163. The cubic root of 30754940 is about 313.3081036976.

The spelling of 30754940 in words is "thirty million, seven hundred fifty-four thousand, nine hundred forty".