74943340 has 48 divisors (see below), whose sum is σ = 161663040. Its totient is φ = 29173760.

The previous prime is 74943317. The next prime is 74943347. The reversal of 74943340 is 4334947.

It is a super-3 number, since 3×74943340³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74943296 and 74943305.

It is not an unprimeable number, because it can be changed into a prime (74943347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126084 + ... + 126676.

It is an arithmetic number, because the mean of its divisors is an integer number (3367980).

Almost surely, 2^74943340 is an apocalyptic number.

It is an amenable number.

74943340 is an abundant number, since it is smaller than the sum of its proper divisors (86719700).

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

74943340 is a wasteful number, since it uses less digits than its factorization.

74943340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 74943340 is about 8656.9821531524. The cubic root of 74943340 is about 421.6101083527.

The spelling of 74943340 in words is "seventy-four million, nine hundred forty-three thousand, three hundred forty".