74481820761530 has 128 divisors (see below), whose sum is σ = 174749903290368. Its totient is φ = 22210858720512.

The previous prime is 74481820761379. The next prime is 74481820761541. The reversal of 74481820761530 is 3516702818447.

74481820761530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25154522 + ... + 27959141.

It is an arithmetic number, because the mean of its divisors is an integer number (1365233619456).

Almost surely, 2^{74481820761530} is an apocalyptic number.

74481820761530 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74481820761530 is an abundant number, since it is smaller than the sum of its proper divisors (100268082528838).

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

74481820761530 is a wasteful number, since it uses less digits than its factorization.

74481820761530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53113780.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 74481820761530 in words is "seventy-four trillion, four hundred eighty-one billion, eight hundred twenty million, seven hundred sixty-one thousand, five hundred thirty".