75475 has 6 divisors (see below), whose sum is σ = 93620. Its totient is φ = 60360.

The previous prime is 75437. The next prime is 75479. The reversal of 75475 is 57457.

It is not a de Polignac number, because 75475 - 2⁷ = 75347 is a prime.

75475 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (75479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1485 + ... + 1534.

2⁷⁵⁴⁷⁵ is an apocalyptic number.

75475 is a deficient number, since it is larger than the sum of its proper divisors (18145).

75475 is a wasteful number, since it uses less digits than its factorization.

75475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3029 (or 3024 counting only the distinct ones).

The product of its digits is 4900, while the sum is 28.

The square root of 75475 is about 274.7271373563. The cubic root of 75475 is about 42.2604749771.

The spelling of 75475 in words is "seventy-five thousand, four hundred seventy-five".