75976985 has 8 divisors (see below), whose sum is σ = 104197056. Its totient is φ = 52098480.

The previous prime is 75976973. The next prime is 75977003. The reversal of 75976985 is 58967957.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75976985 - 2⁴ = 75976969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75976985.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085351 + ... + 1085420.

It is an arithmetic number, because the mean of its divisors is an integer number (13024632).

Almost surely, 2^75976985 is an apocalyptic number.

It is an amenable number.

75976985 is a deficient number, since it is larger than the sum of its proper divisors (28220071).

75976985 is a wasteful number, since it uses less digits than its factorization.

75976985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170783.

The product of its digits is 4762800, while the sum is 56.

The square root of 75976985 is about 8716.4777863538. The cubic root of 75976985 is about 423.5395964421.

Subtracting from 75976985 its reverse (58967957), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 75976985 in words is "seventy-five million, nine hundred seventy-six thousand, nine hundred eighty-five".