30730546 has 48 divisors (see below), whose sum is σ = 60575040. Its totient is φ = 11548320.

The previous prime is 30730529. The next prime is 30730547. The reversal of 30730546 is 64503703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30730547) 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 23 ways as a sum of consecutive naturals, for example, 30771 + ... + 31753.

It is an arithmetic number, because the mean of its divisors is an integer number (1261980).

Almost surely, 2^30730546 is an apocalyptic number.

30730546 is a deficient number, since it is larger than the sum of its proper divisors (29844494).

30730546 is a wasteful number, since it uses less digits than its factorization.

30730546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039 (or 1032 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 30730546 is about 5543.5138675753. The cubic root of 30730546 is about 313.2252459034.

The spelling of 30730546 in words is "thirty million, seven hundred thirty thousand, five hundred forty-six".