74197248 has 72 divisors (see below), whose sum is σ = 209125728. Its totient is φ = 23273472.

The previous prime is 74197243. The next prime is 74197259. The reversal of 74197248 is 84279147.

It is a happy number.

It is a super-2 number, since 2×74197248² = 11010463221547008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74197243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10215 + ... + 15897.

It is an arithmetic number, because the mean of its divisors is an integer number (2904524).

Almost surely, 2^74197248 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 74197248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104562864).

74197248 is an abundant number, since it is smaller than the sum of its proper divisors (134928480).

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

74197248 is a wasteful number, since it uses less digits than its factorization.

74197248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5719 (or 5705 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 74197248 is about 8613.7824444317. The cubic root of 74197248 is about 420.2063385223.

The spelling of 74197248 in words is "seventy-four million, one hundred ninety-seven thousand, two hundred forty-eight".