74143305550 has 24 divisors (see below), whose sum is σ = 137927781432. Its totient is φ = 29652756000.

The previous prime is 74143305547. The next prime is 74143305581. The reversal of 74143305550 is 5550334147.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223740 + ... + 445360.

It is an arithmetic number, because the mean of its divisors is an integer number (5746990893).

Almost surely, 2^74143305550 is an apocalyptic number.

74143305550 is a deficient number, since it is larger than the sum of its proper divisors (63784475882).

74143305550 is a wasteful number, since it uses less digits than its factorization.

74143305550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228324 (or 228319 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 37.

Adding to 74143305550 its reverse (5550334147), we get a palindrome (79693639697).

The spelling of 74143305550 in words is "seventy-four billion, one hundred forty-three million, three hundred five thousand, five hundred fifty".