73115054633 has 4 divisors (see below), whose sum is σ = 74313662148. Its totient is φ = 71916447120.

The previous prime is 73115054629. The next prime is 73115054641. The reversal of 73115054633 is 33645051137.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33645051137 = 4451 ⋅7558987.

It can be written as a sum of positive squares in 2 ways, for example, as 15066826009 + 58048228624 = 122747^2 + 240932^2 .

It is a cyclic number.

It is not a de Polignac number, because 73115054633 - 2² = 73115054629 is a prime.

It is a super-2 number, since 2×73115054633² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73115054933) 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, 599303666 + ... + 599303787.

It is an arithmetic number, because the mean of its divisors is an integer number (18578415537).

Almost surely, 2^73115054633 is an apocalyptic number.

It is an amenable number.

73115054633 is a deficient number, since it is larger than the sum of its proper divisors (1198607515).

73115054633 is a wasteful number, since it uses less digits than its factorization.

73115054633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198607514.

The product of its (nonzero) digits is 113400, while the sum is 38.

The spelling of 73115054633 in words is "seventy-three billion, one hundred fifteen million, fifty-four thousand, six hundred thirty-three".