74022340 has 36 divisors (see below), whose sum is σ = 180828396. Its totient is φ = 25378752.

The previous prime is 74022287. The next prime is 74022383. The reversal of 74022340 is 4322047.

It can be written as a sum of positive squares in 2 ways, for example, as 38118276 + 35904064 = 6174^2 + 5992^2 .

It is a super-3 number, since 3×74022340³ (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 11 ways as a sum of consecutive naturals, for example, 36787 + ... + 38746.

It is an arithmetic number, because the mean of its divisors is an integer number (5023011).

Almost surely, 2^74022340 is an apocalyptic number.

74022340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74022340 is an abundant number, since it is smaller than the sum of its proper divisors (106806056).

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

74022340 is a wasteful number, since it uses less digits than its factorization.

74022340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75556 (or 75547 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 74022340 is about 8603.6236551816. The cubic root of 74022340 is about 419.8758892546.

Adding to 74022340 its reverse (4322047), we get a palindrome (78344387).

The spelling of 74022340 in words is "seventy-four million, twenty-two thousand, three hundred forty".