74678844573 has 12 divisors (see below), whose sum is σ = 107876478528. Its totient is φ = 49782648840.

The previous prime is 74678844529. The next prime is 74678844577. The reversal of 74678844573 is 37544887647.

74678844573 is a `hidden beast` number, since 7 + 46 + 7 + 88 + 445 + 73 = 666.

It is not a de Polignac number, because 74678844573 - 2²⁴ = 74662067357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74678844573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74678844577) 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 11 ways as a sum of consecutive naturals, for example, 120615 + ... + 404852.

It is an arithmetic number, because the mean of its divisors is an integer number (8989706544).

Almost surely, 2^74678844573 is an apocalyptic number.

It is an amenable number.

74678844573 is a deficient number, since it is larger than the sum of its proper divisors (33197633955).

74678844573 is a wasteful number, since it uses less digits than its factorization.

74678844573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541264 (or 541261 counting only the distinct ones).

The product of its digits is 126443520, while the sum is 63.

The spelling of 74678844573 in words is "seventy-four billion, six hundred seventy-eight million, eight hundred forty-four thousand, five hundred seventy-three".