74201340 has 48 divisors (see below), whose sum is σ = 209113632. Its totient is φ = 19658496.

The previous prime is 74201339. The next prime is 74201353. The reversal of 74201340 is 4310247.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5482 + ... + 13358.

It is an arithmetic number, because the mean of its divisors is an integer number (4356534).

Almost surely, 2^74201340 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 74201340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104556816).

74201340 is an abundant number, since it is smaller than the sum of its proper divisors (134912292).

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

74201340 is a wasteful number, since it uses less digits than its factorization.

74201340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8046 (or 8044 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 74201340 is about 8614.0199674716. The cubic root of 74201340 is about 420.2140632145.

Adding to 74201340 its reverse (4310247), we get a palindrome (78511587).

The spelling of 74201340 in words is "seventy-four million, two hundred one thousand, three hundred forty".