74837740 has 48 divisors (see below), whose sum is σ = 168098112. Its totient is φ = 27887616.

The previous prime is 74837687. The next prime is 74837743. The reversal of 74837740 is 4773847.

It is a junction number, because it is equal to n+sod(n) for n = 74837693 and 74837702.

It is not an unprimeable number, because it can be changed into a prime (74837743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33952 + ... + 36088.

It is an arithmetic number, because the mean of its divisors is an integer number (3502044).

Almost surely, 2^74837740 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 74837740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84049056).

74837740 is an abundant number, since it is smaller than the sum of its proper divisors (93260372).

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

74837740 is a wasteful number, since it uses less digits than its factorization.

74837740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266 (or 2264 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 74837740 is about 8650.8808800029. The cubic root of 74837740 is about 421.4119899907.

The spelling of 74837740 in words is "seventy-four million, eight hundred thirty-seven thousand, seven hundred forty".