74733540 has 96 divisors (see below), whose sum is σ = 243151104. Its totient is φ = 16796160.

The previous prime is 74733539. The next prime is 74733577. The reversal of 74733540 is 4533747.

It is a super-3 number, since 3×74733540³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24162 + ... + 27078.

It is an arithmetic number, because the mean of its divisors is an integer number (2532824).

Almost surely, 2^74733540 is an apocalyptic number.

74733540 is a gapful number since it is divisible by the number (70) 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 74733540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121575552).

74733540 is an abundant number, since it is smaller than the sum of its proper divisors (168417564).

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

74733540 is a wasteful number, since it uses less digits than its factorization.

74733540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997 (or 2995 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 33.

The square root of 74733540 is about 8644.8562741089. The cubic root of 74733540 is about 421.2163154333.

The spelling of 74733540 in words is "seventy-four million, seven hundred thirty-three thousand, five hundred forty".