74474473734413 has 4 divisors (see below), whose sum is σ = 74474912151900. Its totient is φ = 74474035316928.

The previous prime is 74474473734403. The next prime is 74474473734469. The reversal of 74474473734413 is 31443737447447.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58985502760804 + 15488970973609 = 7680202^2 + 3935603^2 .

It is a cyclic number.

It is not a de Polignac number, because 74474473734413 - 2⁴⁰ = 73374962106637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74474473734403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218953838 + ... + 219293711.

It is an arithmetic number, because the mean of its divisors is an integer number (18618728037975).

Almost surely, 2^{74474473734413} is an apocalyptic number.

It is an amenable number.

74474473734413 is a deficient number, since it is larger than the sum of its proper divisors (438417487).

74474473734413 is a wasteful number, since it uses less digits than its factorization.

74474473734413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438417486.

The product of its digits is 265531392, while the sum is 62.

The spelling of 74474473734413 in words is "seventy-four trillion, four hundred seventy-four billion, four hundred seventy-three million, seven hundred thirty-four thousand, four hundred thirteen".