75480986 has 32 divisors (see below), whose sum is σ = 142974720. Its totient is φ = 29120256.

The previous prime is 75480893. The next prime is 75480991. The reversal of 75480986 is 68908457.

It is a self number, because there is not a number n which added to its sum of digits gives 75480986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1421 + ... + 12368.

It is an arithmetic number, because the mean of its divisors is an integer number (4467960).

Almost surely, 2^75480986 is an apocalyptic number.

75480986 is a deficient number, since it is larger than the sum of its proper divisors (67493734).

75480986 is a wasteful number, since it uses less digits than its factorization.

75480986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13838.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 75480986 is about 8687.9793968448. The cubic root of 75480986 is about 422.6159218812.

The spelling of 75480986 in words is "seventy-five million, four hundred eighty thousand, nine hundred eighty-six".