30084738 has 8 divisors (see below), whose sum is σ = 60169488. Its totient is φ = 10028244.

The previous prime is 30084731. The next prime is 30084751. The reversal of 30084738 is 83748003.

It is a sphenic number, since it is the product of 3 distinct primes.

30084738 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 30084699 and 30084708.

It is not an unprimeable number, because it can be changed into a prime (30084731) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2507056 + ... + 2507067.

It is an arithmetic number, because the mean of its divisors is an integer number (7521186).

Almost surely, 2^30084738 is an apocalyptic number.

30084738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30084738 is a wasteful number, since it uses less digits than its factorization.

30084738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014128.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 30084738 is about 5484.9556060191. The cubic root of 30084738 is about 311.0155318732.

The spelling of 30084738 in words is "thirty million, eighty-four thousand, seven hundred thirty-eight".