74738736 has 60 divisors (see below), whose sum is σ = 214283160. Its totient is φ = 24303360.

The previous prime is 74738731. The next prime is 74738743. The reversal of 74738736 is 63783747.

It is a junction number, because it is equal to n+sod(n) for n = 74738691 and 74738700.

It is not an unprimeable number, because it can be changed into a prime (74738731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426 + ... + 12233.

It is an arithmetic number, because the mean of its divisors is an integer number (3571386).

Almost surely, 2^74738736 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 74738736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107141580).

74738736 is an abundant number, since it is smaller than the sum of its proper divisors (139544424).

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

74738736 is a wasteful number, since it uses less digits than its factorization.

74738736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12714 (or 12705 counting only the distinct ones).

The product of its digits is 592704, while the sum is 45.

The square root of 74738736 is about 8645.1567944139. The cubic root of 74738736 is about 421.2260771781.

The spelling of 74738736 in words is "seventy-four million, seven hundred thirty-eight thousand, seven hundred thirty-six".