74370340 has 48 divisors (see below), whose sum is σ = 172113984. Its totient is φ = 26768000.

The previous prime is 74370337. The next prime is 74370341. The reversal of 74370340 is 4307347.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 74370299 and 74370308.

It is not an unprimeable number, because it can be changed into a prime (74370341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20547 + ... + 23893.

It is an arithmetic number, because the mean of its divisors is an integer number (3585708).

Almost surely, 2^74370340 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 74370340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86056992).

74370340 is an abundant number, since it is smaller than the sum of its proper divisors (97743644).

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

74370340 is a wasteful number, since it uses less digits than its factorization.

74370340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468 (or 3466 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 74370340 is about 8623.8239777955. The cubic root of 74370340 is about 420.5328460004.

Adding to 74370340 its reverse (4307347), we get a palindrome (78677687).

The spelling of 74370340 in words is "seventy-four million, three hundred seventy thousand, three hundred forty".