74396060550 has 576 divisors, whose sum is σ = 246102105600. Its totient is φ = 16471123200.

The previous prime is 74396060533. The next prime is 74396060591. The reversal of 74396060550 is 5506069347.

74396060550 is a `hidden beast` number, since 7 + 4 + 3 + 96 + 0 + 6 + 0 + 550 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 74396060496 and 74396060505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 415620361 + ... + 415620539.

It is an arithmetic number, because the mean of its divisors is an integer number (427260600).

Almost surely, 2^74396060550 is an apocalyptic number.

74396060550 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 74396060550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123051052800).

74396060550 is an abundant number, since it is smaller than the sum of its proper divisors (171706045050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74396060550 is a wasteful number, since it uses less digits than its factorization.

74396060550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 74396060550 in words is "seventy-four billion, three hundred ninety-six million, sixty thousand, five hundred fifty".