74553950573 has 4 divisors (see below), whose sum is σ = 74585264988. Its totient is φ = 74522636160.

The previous prime is 74553950567. The next prime is 74553950591. The reversal of 74553950573 is 37505935547.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37505935547 = 73 ⋅513779939.

It can be written as a sum of positive squares in 2 ways, for example, as 4059983524 + 70493967049 = 63718^2 + 265507^2 .

It is a cyclic number.

It is not a de Polignac number, because 74553950573 - 2⁶ = 74553950509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74553950503) 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 3 ways as a sum of consecutive naturals, for example, 15653636 + ... + 15658397.

It is an arithmetic number, because the mean of its divisors is an integer number (18646316247).

Almost surely, 2^74553950573 is an apocalyptic number.

It is an amenable number.

74553950573 is a deficient number, since it is larger than the sum of its proper divisors (31314415).

74553950573 is a wasteful number, since it uses less digits than its factorization.

74553950573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31314414.

The product of its (nonzero) digits is 9922500, while the sum is 53.

The spelling of 74553950573 in words is "seventy-four billion, five hundred fifty-three million, nine hundred fifty thousand, five hundred seventy-three".