74361049673 has 4 divisors (see below), whose sum is σ = 74422354308. Its totient is φ = 74299745040.

The previous prime is 74361049627. The next prime is 74361049729. The reversal of 74361049673 is 37694016347.

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 1613789584 + 72747260089 = 40172^2 + 269717^2 .

It is a cyclic number.

It is not a de Polignac number, because 74361049673 - 2¹⁴ = 74361033289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74361046673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30650498 + ... + 30652923.

It is an arithmetic number, because the mean of its divisors is an integer number (18605588577).

Almost surely, 2^74361049673 is an apocalyptic number.

It is an amenable number.

74361049673 is a deficient number, since it is larger than the sum of its proper divisors (61304635).

74361049673 is a wasteful number, since it uses less digits than its factorization.

74361049673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61304634.

The product of its (nonzero) digits is 2286144, while the sum is 50.

The spelling of 74361049673 in words is "seventy-four billion, three hundred sixty-one million, forty-nine thousand, six hundred seventy-three".