74449180 has 96 divisors (see below), whose sum is σ = 176964480. Its totient is φ = 26127360.

The previous prime is 74449169. The next prime is 74449189. The reversal of 74449180 is 8194447.

74449180 is nontrivially palindromic in base 8.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74449189) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 682966 + ... + 683074.

It is an arithmetic number, because the mean of its divisors is an integer number (1843380).

Almost surely, 2^74449180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74449180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88482240).

74449180 is an abundant number, since it is smaller than the sum of its proper divisors (102515300).

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

74449180 is a wasteful number, since it uses less digits than its factorization.

74449180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 74449180 is about 8628.3938250407. The cubic root of 74449180 is about 420.6813958150.

The spelling of 74449180 in words is "seventy-four million, four hundred forty-nine thousand, one hundred eighty".