75445975 has 12 divisors (see below), whose sum is σ = 102058200. Its totient is φ = 54869600.

The previous prime is 75445969. The next prime is 75445991. The reversal of 75445975 is 57954457.

It is not a de Polignac number, because 75445975 - 2⁵ = 75445943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136900 + ... + 137449.

It is an arithmetic number, because the mean of its divisors is an integer number (8504850).

Almost surely, 2^75445975 is an apocalyptic number.

75445975 is a deficient number, since it is larger than the sum of its proper divisors (26612225).

75445975 is a wasteful number, since it uses less digits than its factorization.

75445975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274370 (or 274365 counting only the distinct ones).

The product of its digits is 882000, while the sum is 46.

The square root of 75445975 is about 8685.9642527471. The cubic root of 75445975 is about 422.5505699072.

The spelling of 75445975 in words is "seventy-five million, four hundred forty-five thousand, nine hundred seventy-five".