75040075079 has 4 divisors (see below), whose sum is σ = 75883222080. Its totient is φ = 74196928080.

The previous prime is 75040075067. The next prime is 75040075111. The reversal of 75040075079 is 97057004057.

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

It is a cyclic number.

It is not a de Polignac number, because 75040075079 - 2⁴ = 75040075063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75040075049) 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, 421573367 + ... + 421573544.

It is an arithmetic number, because the mean of its divisors is an integer number (18970805520).

Almost surely, 2^75040075079 is an apocalyptic number.

75040075079 is a deficient number, since it is larger than the sum of its proper divisors (843147001).

75040075079 is an equidigital number, since it uses as much as digits as its factorization.

75040075079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843147000.

The product of its (nonzero) digits is 308700, while the sum is 44.

The spelling of 75040075079 in words is "seventy-five billion, forty million, seventy-five thousand, seventy-nine".