74211340 has 96 divisors (see below), whose sum is σ = 195793920. Its totient is φ = 23037696.

The previous prime is 74211329. The next prime is 74211407. The reversal of 74211340 is 4311247.

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, 60574 + ... + 61786.

It is an arithmetic number, because the mean of its divisors is an integer number (2039520).

Almost surely, 2^74211340 is an apocalyptic number.

74211340 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 74211340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97896960).

74211340 is an abundant number, since it is smaller than the sum of its proper divisors (121582580).

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

74211340 is a wasteful number, since it uses less digits than its factorization.

74211340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 74211340 is about 8614.6003970004. The cubic root of 74211340 is about 420.2329395667.

Adding to 74211340 its reverse (4311247), we get a palindrome (78522587).

The spelling of 74211340 in words is "seventy-four million, two hundred eleven thousand, three hundred forty".