74055315021400 has 48 divisors (see below), whose sum is σ = 172570814024400. Its totient is φ = 29554649604480.

The previous prime is 74055315021397. The next prime is 74055315021407. The reversal of 74055315021400 is 412051355047.

It is a self number, because there is not a number n which added to its sum of digits gives 74055315021400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74055315021407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 421639507 + ... + 421815106.

It is an arithmetic number, because the mean of its divisors is an integer number (3595225292175).

Almost surely, 2^{74055315021400} is an apocalyptic number.

It is an amenable number.

74055315021400 is an abundant number, since it is smaller than the sum of its proper divisors (98515499003000).

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

74055315021400 is a wasteful number, since it uses less digits than its factorization.

74055315021400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843455068 (or 843455059 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

Adding to 74055315021400 its reverse (412051355047), we get a palindrome (74467366376447).

The spelling of 74055315021400 in words is "seventy-four trillion, fifty-five billion, three hundred fifteen million, twenty-one thousand, four hundred".