75497 has 4 divisors (see below), whose sum is σ = 79956. Its totient is φ = 71040.

The previous prime is 75479. The next prime is 75503. The reversal of 75497 is 79457.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79457 = 7 ⋅11351.

It can be written as a sum of positive squares in 2 ways, for example, as 44521 + 30976 = 211^2 + 176^2 .

It is a cyclic number.

It is not a de Polignac number, because 75497 - 2¹⁴ = 59113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2204 + ... + 2237.

It is an arithmetic number, because the mean of its divisors is an integer number (19989).

2⁷⁵⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

75497 is a deficient number, since it is larger than the sum of its proper divisors (4459).

75497 is a wasteful number, since it uses less digits than its factorization.

75497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4458.

The product of its digits is 8820, while the sum is 32.

The square root of 75497 is about 274.7671741675. The cubic root of 75497 is about 42.2645807080.

The spelling of 75497 in words is "seventy-five thousand, four hundred ninety-seven".