75445956 has 18 divisors (see below), whose sum is σ = 190710702. Its totient is φ = 25148640.

The previous prime is 75445943. The next prime is 75445961. The reversal of 75445956 is 65954457.

75445956 is a `hidden beast` number, since 7 + 54 + 4 + 595 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 66977856 + 8468100 = 8184^2 + 2910^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1047825 + ... + 1047896.

It is an arithmetic number, because the mean of its divisors is an integer number (10595039).

Almost surely, 2^75445956 is an apocalyptic number.

It is an amenable number.

75445956 is an abundant number, since it is smaller than the sum of its proper divisors (115264746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75445956 is a wasteful number, since it uses less digits than its factorization.

75445956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095731 (or 2095726 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 75445956 is about 8685.9631590285. The cubic root of 75445956 is about 422.5505344360.

The spelling of 75445956 in words is "seventy-five million, four hundred forty-five thousand, nine hundred fifty-six".