74478410412355 has 16 divisors (see below), whose sum is σ = 90025259452128. Its totient is φ = 59149770048000.

The previous prime is 74478410412353. The next prime is 74478410412409. The reversal of 74478410412355 is 55321401487447.

It is a happy number.

It is not a de Polignac number, because 74478410412355 - 2¹ = 74478410412353 is a prime.

It is a super-2 number, since 2×74478410412355² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74478410412296 and 74478410412305.

It is not an unprimeable number, because it can be changed into a prime (74478410412353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71546806 + ... + 72580315.

It is an arithmetic number, because the mean of its divisors is an integer number (5626578715758).

Almost surely, 2^{74478410412355} is an apocalyptic number.

74478410412355 is a deficient number, since it is larger than the sum of its proper divisors (15546849039773).

74478410412355 is a wasteful number, since it uses less digits than its factorization.

74478410412355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144127878.

The product of its (nonzero) digits is 15052800, while the sum is 55.

The spelling of 74478410412355 in words is "seventy-four trillion, four hundred seventy-eight billion, four hundred ten million, four hundred twelve thousand, three hundred fifty-five".