74837 has 4 divisors (see below), whose sum is σ = 85536. Its totient is φ = 64140.

The previous prime is 74831. The next prime is 74843. The reversal of 74837 is 73847.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (74831) and next prime (74843).

It is a cyclic number.

It is not a de Polignac number, because 74837 - 2⁴ = 74821 is a prime.

It is a Duffinian number.

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 (74831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5339 + ... + 5352.

It is an arithmetic number, because the mean of its divisors is an integer number (21384).

2⁷⁴⁸³⁷ is an apocalyptic number.

It is an amenable number.

74837 is a deficient number, since it is larger than the sum of its proper divisors (10699).

74837 is a wasteful number, since it uses less digits than its factorization.

74837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10698.

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

The square root of 74837 is about 273.5635209599. The cubic root of 74837 is about 42.1410601004.

Subtracting from 74837 its reverse (73847), we obtain a triangular number (990 = T₄₄).

The spelling of 74837 in words is "seventy-four thousand, eight hundred thirty-seven".