74878 has 8 divisors (see below), whose sum is σ = 116280. Its totient is φ = 36120.

The previous prime is 74873. The next prime is 74887. The reversal of 74878 is 87847.

It is a sphenic number, since it is the product of 3 distinct primes.

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 (74873) 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, 588 + ... + 703.

It is an arithmetic number, because the mean of its divisors is an integer number (14535).

2⁷⁴⁸⁷⁸ is an apocalyptic number.

74878 is a deficient number, since it is larger than the sum of its proper divisors (41402).

74878 is a wasteful number, since it uses less digits than its factorization.

74878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322.

The product of its digits is 12544, while the sum is 34.

The square root of 74878 is about 273.6384475910. The cubic root of 74878 is about 42.1487544585.

The spelling of 74878 in words is "seventy-four thousand, eight hundred seventy-eight".