74685087120 has 80 divisors (see below), whose sum is σ = 264598600320. Its totient is φ = 17070876672.

The previous prime is 74685087091. The next prime is 74685087133. The reversal of 74685087120 is 2178058647.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 74685087120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22226025 + ... + 22229384.

It is an arithmetic number, because the mean of its divisors is an integer number (3307482504).

Almost surely, 2^74685087120 is an apocalyptic number.

74685087120 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74685087120 is an abundant number, since it is smaller than the sum of its proper divisors (189913513200).

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

74685087120 is a wasteful number, since it uses less digits than its factorization.

74685087120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44455432 (or 44455426 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 74685087120 in words is "seventy-four billion, six hundred eighty-five million, eighty-seven thousand, one hundred twenty".