74299248 has 160 divisors (see below), whose sum is σ = 230699520. Its totient is φ = 22809600.

The previous prime is 74299243. The next prime is 74299259. The reversal of 74299248 is 84299247.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

Its product of digits (290304) is a multiple of the sum of its prime factors (252).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74299241) 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, 491973 + ... + 492123.

It is an arithmetic number, because the mean of its divisors is an integer number (1441872).

Almost surely, 2^74299248 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 74299248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115349760).

74299248 is an abundant number, since it is smaller than the sum of its proper divisors (156400272).

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

74299248 is a wasteful number, since it uses less digits than its factorization.

74299248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 240 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 74299248 is about 8619.7011549125. The cubic root of 74299248 is about 420.3988048743.

Subtracting 74299248 from its reverse (84299247), we obtain a palindrome (9999999).

It can be divided in two parts, 74299 and 248, that added together give a palindrome (74547).

The spelling of 74299248 in words is "seventy-four million, two hundred ninety-nine thousand, two hundred forty-eight".