74598509442 has 16 divisors (see below), whose sum is σ = 155683846080. Its totient is φ = 23785031952.

The previous prime is 74598509437. The next prime is 74598509449. The reversal of 74598509442 is 24490589547.

It is a super-2 number, since 2×74598509442² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74598509449) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 270284317 + ... + 270284592.

It is an arithmetic number, because the mean of its divisors is an integer number (9730240380).

Almost surely, 2^74598509442 is an apocalyptic number.

74598509442 is an abundant number, since it is smaller than the sum of its proper divisors (81085336638).

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

74598509442 is a wasteful number, since it uses less digits than its factorization.

74598509442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540568937.

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 74598509442 in words is "seventy-four billion, five hundred ninety-eight million, five hundred nine thousand, four hundred forty-two".