73402552873 has 4 divisors (see below), whose sum is σ = 79048903108. Its totient is φ = 67756202640.

The previous prime is 73402552871. The next prime is 73402552891. The reversal of 73402552873 is 37825520437.

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 8130989584 + 65271563289 = 90172^2 + 255483^2 .

It is a cyclic number.

It is not a de Polignac number, because 73402552873 - 2¹ = 73402552871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73402552871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2823175098 + ... + 2823175123.

It is an arithmetic number, because the mean of its divisors is an integer number (19762225777).

Almost surely, 2^73402552873 is an apocalyptic number.

It is an amenable number.

73402552873 is a deficient number, since it is larger than the sum of its proper divisors (5646350235).

73402552873 is a wasteful number, since it uses less digits than its factorization.

73402552873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646350234.

The product of its (nonzero) digits is 1411200, while the sum is 46.

The spelling of 73402552873 in words is "seventy-three billion, four hundred two million, five hundred fifty-two thousand, eight hundred seventy-three".