74449446 has 8 divisors (see below), whose sum is σ = 148898904. Its totient is φ = 24816480.

The previous prime is 74449433. The next prime is 74449447. The reversal of 74449446 is 64494447.

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

74449446 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 74449398 and 74449407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74449447) 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, 6204115 + ... + 6204126.

It is an arithmetic number, because the mean of its divisors is an integer number (18612363).

Almost surely, 2^74449446 is an apocalyptic number.

74449446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74449446 is a wasteful number, since it uses less digits than its factorization.

74449446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12408246.

The product of its digits is 387072, while the sum is 42.

The square root of 74449446 is about 8628.4092392515. The cubic root of 74449446 is about 420.6818968329.

The spelling of 74449446 in words is "seventy-four million, four hundred forty-nine thousand, four hundred forty-six".