74940516 has 144 divisors (see below), whose sum is σ = 228953088. Its totient is φ = 20217600.

The previous prime is 74940491. The next prime is 74940517. The reversal of 74940516 is 61504947.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (74940517) 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 47 ways as a sum of consecutive naturals, for example, 413946 + ... + 414126.

It is an arithmetic number, because the mean of its divisors is an integer number (1589952).

Almost surely, 2^74940516 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 74940516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114476544).

74940516 is an abundant number, since it is smaller than the sum of its proper divisors (154012572).

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

74940516 is a wasteful number, since it uses less digits than its factorization.

74940516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 74940516 is about 8656.8190462779. The cubic root of 74940516 is about 421.6048126102.

The spelling of 74940516 in words is "seventy-four million, nine hundred forty thousand, five hundred sixteen".