72430930147 has 4 divisors (see below), whose sum is σ = 73303592040. Its totient is φ = 71558268256.

The previous prime is 72430930139. The next prime is 72430930151. The reversal of 72430930147 is 74103903427.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72430930147 - 2³ = 72430930139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72430931147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436330822 + ... + 436330987.

It is an arithmetic number, because the mean of its divisors is an integer number (18325898010).

Almost surely, 2^72430930147 is an apocalyptic number.

72430930147 is a deficient number, since it is larger than the sum of its proper divisors (872661893).

72430930147 is an equidigital number, since it uses as much as digits as its factorization.

72430930147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872661892.

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 72430930147 in words is "seventy-two billion, four hundred thirty million, nine hundred thirty thousand, one hundred forty-seven".