75975985 has 16 divisors (see below), whose sum is σ = 93943296. Its totient is φ = 58943808.

The previous prime is 75975983. The next prime is 75975989. The reversal of 75975985 is 58957957.

It is a cyclic number.

It is not a de Polignac number, because 75975985 - 2¹ = 75975983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75975983) 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, 85212 + ... + 86098.

It is an arithmetic number, because the mean of its divisors is an integer number (5871456).

Almost surely, 2^75975985 is an apocalyptic number.

It is an amenable number.

75975985 is a deficient number, since it is larger than the sum of its proper divisors (17967311).

75975985 is a wasteful number, since it uses less digits than its factorization.

75975985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392.

The product of its digits is 3969000, while the sum is 55.

The square root of 75975985 is about 8716.4204235454. The cubic root of 75975985 is about 423.5377382414.

The spelling of 75975985 in words is "seventy-five million, nine hundred seventy-five thousand, nine hundred eighty-five".