74604136550 has 48 divisors (see below), whose sum is σ = 144031864704. Its totient is φ = 28719360000.

The previous prime is 74604136549. The next prime is 74604136559. The reversal of 74604136550 is 5563140647.

It is a junction number, because it is equal to n+sod(n) for n = 74604136498 and 74604136507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74604136559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147590 + ... + 413510.

It is an arithmetic number, because the mean of its divisors is an integer number (3000663848).

Almost surely, 2^74604136550 is an apocalyptic number.

74604136550 is a deficient number, since it is larger than the sum of its proper divisors (69427728154).

74604136550 is a wasteful number, since it uses less digits than its factorization.

74604136550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266145 (or 266140 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 74604136550 in words is "seventy-four billion, six hundred four million, one hundred thirty-six thousand, five hundred fifty".