75530255273 has 4 divisors (see below), whose sum is σ = 82396642128. Its totient is φ = 68663868420.

The previous prime is 75530255249. The next prime is 75530255279. The reversal of 75530255273 is 37255203557.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75530255273 - 2¹⁸ = 75529993129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75530255279) 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, 3433193411 + ... + 3433193432.

It is an arithmetic number, because the mean of its divisors is an integer number (20599160532).

Almost surely, 2^75530255273 is an apocalyptic number.

It is an amenable number.

75530255273 is a deficient number, since it is larger than the sum of its proper divisors (6866386855).

75530255273 is a wasteful number, since it uses less digits than its factorization.

75530255273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6866386854.

The product of its (nonzero) digits is 1102500, while the sum is 44.

The spelling of 75530255273 in words is "seventy-five billion, five hundred thirty million, two hundred fifty-five thousand, two hundred seventy-three".