74774448 has 160 divisors (see below), whose sum is σ = 249190400. Its totient is φ = 21026304.

The previous prime is 74774429. The next prime is 74774459. The reversal of 74774448 is 84447747.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238740 + ... + 239052.

It is an arithmetic number, because the mean of its divisors is an integer number (1557440).

Almost surely, 2^74774448 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 74774448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124595200).

74774448 is an abundant number, since it is smaller than the sum of its proper divisors (174415952).

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

74774448 is a wasteful number, since it uses less digits than its factorization.

74774448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 404 counting only the distinct ones).

The product of its digits is 702464, while the sum is 45.

The square root of 74774448 is about 8647.2219816540. The cubic root of 74774448 is about 421.2931572099.

The spelling of 74774448 in words is "seventy-four million, seven hundred seventy-four thousand, four hundred forty-eight".