72345180773033 has 16 divisors (see below), whose sum is σ = 83610350835840. Its totient is φ = 61312565990016.

The previous prime is 72345180773011. The next prime is 72345180773071. The reversal of 72345180773033 is 33037708154327.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 72345180773033 - 2¹⁶ = 72345180707497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72345180775033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46661891 + ... + 48187367.

It is an arithmetic number, because the mean of its divisors is an integer number (5225646927240).

Almost surely, 2^{72345180773033} is an apocalyptic number.

It is an amenable number.

72345180773033 is a deficient number, since it is larger than the sum of its proper divisors (11265170062807).

72345180773033 is a wasteful number, since it uses less digits than its factorization.

72345180773033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601696.

The product of its (nonzero) digits is 8890560, while the sum is 53.

The spelling of 72345180773033 in words is "seventy-two trillion, three hundred forty-five billion, one hundred eighty million, seven hundred seventy-three thousand, thirty-three".