74000400740 has 72 divisors (see below), whose sum is σ = 181782740160. Its totient is φ = 25229765568.

The previous prime is 74000400679. The next prime is 74000400751. The reversal of 74000400740 is 4700400047.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35504 + ... + 386343.

It is an arithmetic number, because the mean of its divisors is an integer number (2524760280).

Almost surely, 2^74000400740 is an apocalyptic number.

74000400740 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 74000400740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90891370080).

74000400740 is an abundant number, since it is smaller than the sum of its proper divisors (107782339420).

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

74000400740 is a wasteful number, since it uses less digits than its factorization.

74000400740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422049 (or 422040 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 26.

Adding to 74000400740 its reverse (4700400047), we get a palindrome (78700800787).

The spelling of 74000400740 in words is "seventy-four billion, four hundred thousand, seven hundred forty".