30073740 has 24 divisors (see below), whose sum is σ = 84206640. Its totient is φ = 8019648.

The previous prime is 30073721. The next prime is 30073759. The reversal of 30073740 is 4737003.

It is an interprime number because it is at equal distance from previous prime (30073721) and next prime (30073759).

It is a self number, because there is not a number n which added to its sum of digits gives 30073740.

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, 250555 + ... + 250674.

It is an arithmetic number, because the mean of its divisors is an integer number (3508610).

Almost surely, 2^30073740 is an apocalyptic number.

30073740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30073740 is an abundant number, since it is smaller than the sum of its proper divisors (54132900).

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

30073740 is a wasteful number, since it uses less digits than its factorization.

30073740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501241 (or 501239 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 24.

The square root of 30073740 is about 5483.9529538463. The cubic root of 30073740 is about 310.9776282057.

The spelling of 30073740 in words is "thirty million, seventy-three thousand, seven hundred forty".