73012248109 has 4 divisors (see below), whose sum is σ = 73025776800. Its totient is φ = 72998719420.

The previous prime is 73012248097. The next prime is 73012248121. The reversal of 73012248109 is 90184221037.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90184221037 = 41681 ⋅2163677.

It is an interprime number because it is at equal distance from previous prime (73012248097) and next prime (73012248121).

It is a cyclic number.

It is not a de Polignac number, because 73012248109 - 2⁵ = 73012248077 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 (73012248209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6756247 + ... + 6767044.

It is an arithmetic number, because the mean of its divisors is an integer number (18256444200).

Almost surely, 2^73012248109 is an apocalyptic number.

It is an amenable number.

73012248109 is a deficient number, since it is larger than the sum of its proper divisors (13528691).

73012248109 is a wasteful number, since it uses less digits than its factorization.

73012248109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13528690.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 73012248109 in words is "seventy-three billion, twelve million, two hundred forty-eight thousand, one hundred nine".