74452975650 has 144 divisors (see below), whose sum is σ = 206797534944. Its totient is φ = 19191997440.

The previous prime is 74452975577. The next prime is 74452975691. The reversal of 74452975650 is 5657925447.

It is a happy number.

74452975650 is a `hidden beast` number, since 7 + 4 + 452 + 97 + 56 + 50 = 666.

It is a super-3 number, since 3×74452975650³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1857117 + ... + 1896783.

Almost surely, 2^74452975650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74452975650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103398767472).

74452975650 is an abundant number, since it is smaller than the sum of its proper divisors (132344559294).

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

74452975650 is a wasteful number, since it uses less digits than its factorization.

74452975650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39825 (or 39817 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 54.

The spelling of 74452975650 in words is "seventy-four billion, four hundred fifty-two million, nine hundred seventy-five thousand, six hundred fifty".