75661084 has 12 divisors (see below), whose sum is σ = 140195664. Its totient is φ = 35605184.

The previous prime is 75661073. The next prime is 75661093. The reversal of 75661084 is 48016657.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556264 + ... + 556399.

It is an arithmetic number, because the mean of its divisors is an integer number (11682972).

Almost surely, 2^75661084 is an apocalyptic number.

It is an amenable number.

75661084 is a deficient number, since it is larger than the sum of its proper divisors (64534580).

75661084 is a wasteful number, since it uses less digits than its factorization.

75661084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112684 (or 1112682 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 75661084 is about 8698.3380021703. The cubic root of 75661084 is about 422.9517761216.

The spelling of 75661084 in words is "seventy-five million, six hundred sixty-one thousand, eighty-four".