30073320 has 48 divisors (see below), whose sum is σ = 97739460. Its totient is φ = 8019456.

The previous prime is 30073301. The next prime is 30073343. The reversal of 30073320 is 2337003.

It can be written as a sum of positive squares in 2 ways, for example, as 27311076 + 2762244 = 5226^2 + 1662^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30073293 and 30073302.

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 11 ways as a sum of consecutive naturals, for example, 41409 + ... + 42128.

Almost surely, 2^30073320 is an apocalyptic number.

30073320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30073320 is an abundant number, since it is smaller than the sum of its proper divisors (67666140).

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

30073320 is a wasteful number, since it uses less digits than its factorization.

30073320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83554 (or 83547 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 18.

The square root of 30073320 is about 5483.9146601675. The cubic root of 30073320 is about 310.9761805284.

The spelling of 30073320 in words is "thirty million, seventy-three thousand, three hundred twenty".