72030999 has 8 divisors (see below), whose sum is σ = 96084352. Its totient is φ = 47999160.

The previous prime is 72030997. The next prime is 72031013. The reversal of 72030999 is 99903027.

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

It is not a de Polignac number, because 72030999 - 2¹ = 72030997 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 (72030997) 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 7 ways as a sum of consecutive naturals, for example, 5694 + ... + 13284.

It is an arithmetic number, because the mean of its divisors is an integer number (12010544).

Almost surely, 2^72030999 is an apocalyptic number.

72030999 is a deficient number, since it is larger than the sum of its proper divisors (24053353).

72030999 is a wasteful number, since it uses less digits than its factorization.

72030999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10757.

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 72030999 is about 8487.1078112629. The cubic root of 72030999 is about 416.0764602278.

The spelling of 72030999 in words is "seventy-two million, thirty thousand, nine hundred ninety-nine".