74007400140 has 192 divisors, whose sum is σ = 236228106240. Its totient is φ = 19224000000.

The previous prime is 74007400139. The next prime is 74007400141. The reversal of 74007400140 is 4100470047.

It is an interprime number because it is at equal distance from previous prime (74007400139) and next prime (74007400141).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (74007400141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16624915 + ... + 16629365.

It is an arithmetic number, because the mean of its divisors is an integer number (1230354720).

Almost surely, 2^74007400140 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 74007400140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118114053120).

74007400140 is an abundant number, since it is smaller than the sum of its proper divisors (162220706100).

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

74007400140 is a wasteful number, since it uses less digits than its factorization.

74007400140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5261 (or 5253 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

Adding to 74007400140 its reverse (4100470047), we get a palindrome (78107870187).

The spelling of 74007400140 in words is "seventy-four billion, seven million, four hundred thousand, one hundred forty".