74380 has 12 divisors (see below), whose sum is σ = 156240. Its totient is φ = 29744.

The previous prime is 74377. The next prime is 74381. The reversal of 74380 is 8347.

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 (74381) 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, 1840 + ... + 1879.

It is an arithmetic number, because the mean of its divisors is an integer number (13020).

2⁷⁴³⁸⁰ is an apocalyptic number.

It is an amenable number.

74380 is an abundant number, since it is smaller than the sum of its proper divisors (81860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78120).

74380 is a wasteful number, since it uses less digits than its factorization.

74380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728 (or 3726 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 74380 is about 272.7269696968. The cubic root of 74380 is about 42.0551052951.

It can be divided in two parts, 74 and 380, that added together give a palindrome (454).

The spelling of 74380 in words is "seventy-four thousand, three hundred eighty".