75786303250073 has 4 divisors (see below), whose sum is σ = 81616018884708. Its totient is φ = 69956587615440.

The previous prime is 75786303250069. The next prime is 75786303250117. The reversal of 75786303250073 is 37005230368757.

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 44366096780944 + 31420206469129 = 6660788^2 + 5605373^2 .

It is a cyclic number.

It is not a de Polignac number, because 75786303250073 - 2² = 75786303250069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75786603250073) 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, 2914857817298 + ... + 2914857817323.

It is an arithmetic number, because the mean of its divisors is an integer number (20404004721177).

Almost surely, 2^{75786303250073} is an apocalyptic number.

It is an amenable number.

75786303250073 is a deficient number, since it is larger than the sum of its proper divisors (5829715634635).

75786303250073 is a wasteful number, since it uses less digits than its factorization.

75786303250073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5829715634634.

The product of its (nonzero) digits is 22226400, while the sum is 56.

The spelling of 75786303250073 in words is "seventy-five trillion, seven hundred eighty-six billion, three hundred three million, two hundred fifty thousand, seventy-three".