74869 has 2 divisors, whose sum is σ = 74870. Its totient is φ = 74868.

The previous prime is 74861. The next prime is 74873. The reversal of 74869 is 96847.

74869 is nontrivially palindromic in base 5.

74869 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56644 + 18225 = 238^2 + 135^2 .

It is an emirp because it is prime and its reverse (96847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74869 - 2³ = 74861 is a prime.

It is a super-2 number, since 2×74869² = 11210734322, which contains 22 as substring.

74869 is an undulating number in base 5.

74869 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37434 + 37435.

It is an arithmetic number, because the mean of its divisors is an integer number (37435).

2⁷⁴⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

74869 is a deficient number, since it is larger than the sum of its proper divisors (1).

74869 is an equidigital number, since it uses as much as digits as its factorization.

74869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 74869 is about 273.6220020393. The cubic root of 74869 is about 42.1470656937.

The spelling of 74869 in words is "seventy-four thousand, eight hundred sixty-nine".