74489796 has 72 divisors (see below), whose sum is σ = 193808160. Its totient is φ = 24114816.

The previous prime is 74489791. The next prime is 74489819. The reversal of 74489796 is 69798447.

It is a happy number.

74489796 is a `hidden beast` number, since 74 + 489 + 7 + 96 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (74489791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214495 + ... + 214841.

It is an arithmetic number, because the mean of its divisors is an integer number (2691780).

Almost surely, 2^74489796 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 74489796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96904080).

74489796 is an abundant number, since it is smaller than the sum of its proper divisors (119318364).

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

74489796 is a wasteful number, since it uses less digits than its factorization.

74489796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 508 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 74489796 is about 8630.7471287253. The cubic root of 74489796 is about 420.7578832898.

The spelling of 74489796 in words is "seventy-four million, four hundred eighty-nine thousand, seven hundred ninety-six".