73604404537441 has 4 divisors (see below), whose sum is σ = 74811034120084. Its totient is φ = 72397774954800.

The previous prime is 73604404537429. The next prime is 73604404537451. The reversal of 73604404537441 is 14473540440637.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22214216534416 + 51390188003025 = 4713196^2 + 7168695^2 .

It is a cyclic number.

It is not a de Polignac number, because 73604404537441 - 2¹¹ = 73604404535393 is a prime.

It is a super-2 number, since 2×73604404537441² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73604404537451) 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, 603314791230 + ... + 603314791351.

It is an arithmetic number, because the mean of its divisors is an integer number (18702758530021).

Almost surely, 2^{73604404537441} is an apocalyptic number.

It is an amenable number.

73604404537441 is a deficient number, since it is larger than the sum of its proper divisors (1206629582643).

73604404537441 is a wasteful number, since it uses less digits than its factorization.

73604404537441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206629582642.

The product of its (nonzero) digits is 13547520, while the sum is 52.

The spelling of 73604404537441 in words is "seventy-three trillion, six hundred four billion, four hundred four million, five hundred thirty-seven thousand, four hundred forty-one".