75716672505 has 16 divisors (see below), whose sum is σ = 121150728384. Its totient is φ = 40380874560.

The previous prime is 75716672503. The next prime is 75716672527. The reversal of 75716672505 is 50527661757.

It is not a de Polignac number, because 75716672505 - 2¹ = 75716672503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75716672501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517302 + ... + 647328.

It is an arithmetic number, because the mean of its divisors is an integer number (7571920524).

Almost surely, 2^75716672505 is an apocalyptic number.

It is an amenable number.

75716672505 is a deficient number, since it is larger than the sum of its proper divisors (45434055879).

75716672505 is a wasteful number, since it uses less digits than its factorization.

75716672505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168856.

The product of its (nonzero) digits is 3087000, while the sum is 51.

The spelling of 75716672505 in words is "seventy-five billion, seven hundred sixteen million, six hundred seventy-two thousand, five hundred five".