75009475 has 6 divisors (see below), whose sum is σ = 93011780. Its totient is φ = 60007560.

The previous prime is 75009449. The next prime is 75009479. The reversal of 75009475 is 57490057.

It is not a de Polignac number, because 75009475 - 2²³ = 66620867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75009479) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1500165 + ... + 1500214.

Almost surely, 2^75009475 is an apocalyptic number.

75009475 is a deficient number, since it is larger than the sum of its proper divisors (18002305).

75009475 is a wasteful number, since it uses less digits than its factorization.

75009475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000389 (or 3000384 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 75009475 is about 8660.8010599482. The cubic root of 75009475 is about 421.7340908464.

The spelling of 75009475 in words is "seventy-five million, nine thousand, four hundred seventy-five".