72304121113 has 8 divisors (see below), whose sum is σ = 83797130880. Its totient is φ = 61102073760.

The previous prime is 72304121107. The next prime is 72304121119. The reversal of 72304121113 is 31112140327.

It is an interprime number because it is at equal distance from previous prime (72304121107) and next prime (72304121119).

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

It is not a de Polignac number, because 72304121113 - 2⁹ = 72304120601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72304121119) 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 7 ways as a sum of consecutive naturals, for example, 72740068 + ... + 72741061.

It is an arithmetic number, because the mean of its divisors is an integer number (10474641360).

Almost surely, 2^72304121113 is an apocalyptic number.

It is an amenable number.

72304121113 is a deficient number, since it is larger than the sum of its proper divisors (11493009767).

72304121113 is a wasteful number, since it uses less digits than its factorization.

72304121113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145481207.

The product of its (nonzero) digits is 1008, while the sum is 25.

The spelling of 72304121113 in words is "seventy-two billion, three hundred four million, one hundred twenty-one thousand, one hundred thirteen".