74873 has 2 divisors, whose sum is σ = 74874. Its totient is φ = 74872.

The previous prime is 74869. The next prime is 74887. The reversal of 74873 is 37847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44944 + 29929 = 212^2 + 173^2 .

It is an emirp because it is prime and its reverse (37847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74873 - 2² = 74869 is a prime.

It is a super-2 number, since 2×74873² = 11211932258, which contains 22 as substring.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (74843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37436 + 37437.

It is an arithmetic number, because the mean of its divisors is an integer number (37437).

2⁷⁴⁸⁷³ is an apocalyptic number.

It is an amenable number.

74873 is a deficient number, since it is larger than the sum of its proper divisors (1).

74873 is an equidigital number, since it uses as much as digits as its factorization.

74873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 29.

The square root of 74873 is about 273.6293112954. The cubic root of 74873 is about 42.1478162725.

The spelling of 74873 in words is "seventy-four thousand, eight hundred seventy-three".