30073999 has 8 divisors (see below), whose sum is σ = 31116800. Its totient is φ = 29035800.

The previous prime is 30073997. The next prime is 30074021. The reversal of 30073999 is 99937003.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30073999 - 2¹ = 30073997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30073991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16852 + ... + 18550.

It is an arithmetic number, because the mean of its divisors is an integer number (3889600).

Almost surely, 2^30073999 is an apocalyptic number.

30073999 is a deficient number, since it is larger than the sum of its proper divisors (1042801).

30073999 is a wasteful number, since it uses less digits than its factorization.

30073999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301.

The product of its (nonzero) digits is 45927, while the sum is 40.

The square root of 30073999 is about 5483.9765681483. The cubic root of 30073999 is about 310.9785209333.

The spelling of 30073999 in words is "thirty million, seventy-three thousand, nine hundred ninety-nine".