74575 has 12 divisors (see below), whose sum is σ = 97960. Its totient is φ = 56160.

The previous prime is 74573. The next prime is 74587. The reversal of 74575 is 57547.

It is not a de Polignac number, because 74575 - 2¹ = 74573 is a prime.

It is a super-2 number, since 2×74575² = 11122861250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 397 + ... + 553.

2⁷⁴⁵⁷⁵ is an apocalyptic number.

74575 is a deficient number, since it is larger than the sum of its proper divisors (23385).

74575 is a wasteful number, since it uses less digits than its factorization.

74575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 181 counting only the distinct ones).

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

The square root of 74575 is about 273.0842360884. The cubic root of 74575 is about 42.0918247959.

Subtracting from 74575 its sum of digits (28), we obtain a palindrome (74547).

It can be divided in two parts, 745 and 75, that added together give a triangular number (820 = T₄₀).

The spelling of 74575 in words is "seventy-four thousand, five hundred seventy-five".