74478085342 has 16 divisors (see below), whose sum is σ = 115344064512. Its totient is φ = 36030546360.

The previous prime is 74478085337. The next prime is 74478085349. The reversal of 74478085342 is 24358087447.

It is a self number, because there is not a number n which added to its sum of digits gives 74478085342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74478085349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197323 + ... + 433465.

It is an arithmetic number, because the mean of its divisors is an integer number (7209004032).

Almost surely, 2^74478085342 is an apocalyptic number.

74478085342 is a deficient number, since it is larger than the sum of its proper divisors (40865979170).

74478085342 is a wasteful number, since it uses less digits than its factorization.

74478085342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241263.

The product of its (nonzero) digits is 6021120, while the sum is 52.

The spelling of 74478085342 in words is "seventy-four billion, four hundred seventy-eight million, eighty-five thousand, three hundred forty-two".