74379469536 has 144 divisors (see below), whose sum is σ = 219602610864. Its totient is φ = 24764673024.

The previous prime is 74379469519. The next prime is 74379469547. The reversal of 74379469536 is 63596497347.

74379469536 is a `hidden beast` number, since 7 + 4 + 3 + 7 + 94 + 6 + 9 + 536 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7405510 + ... + 7415546.

It is an arithmetic number, because the mean of its divisors is an integer number (1525018131).

Almost surely, 2^74379469536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74379469536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109801305432).

74379469536 is an abundant number, since it is smaller than the sum of its proper divisors (145223141328).

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

74379469536 is a wasteful number, since it uses less digits than its factorization.

74379469536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11015 (or 10995 counting only the distinct ones).

The product of its digits is 102876480, while the sum is 63.

The spelling of 74379469536 in words is "seventy-four billion, three hundred seventy-nine million, four hundred sixty-nine thousand, five hundred thirty-six".