74487296 has 120 divisors (see below), whose sum is σ = 174613824. Its totient is φ = 31518720.

The previous prime is 74487293. The next prime is 74487359. The reversal of 74487296 is 69278447.

It is a self number, because there is not a number n which added to its sum of digits gives 74487296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74487293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2402801 + ... + 2402831.

Almost surely, 2^74487296 is an apocalyptic number.

74487296 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74487296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87306912).

74487296 is an abundant number, since it is smaller than the sum of its proper divisors (100126528).

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

74487296 is a wasteful number, since it uses less digits than its factorization.

74487296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 65 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 74487296 is about 8630.6022964797. The cubic root of 74487296 is about 420.7531761284.

The spelling of 74487296 in words is "seventy-four million, four hundred eighty-seven thousand, two hundred ninety-six".