74465089536 has 192 divisors, whose sum is σ = 204120483840. Its totient is φ = 24126750720.

The previous prime is 74465089513. The next prime is 74465089537. The reversal of 74465089536 is 63598056447.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74465089537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122676945 + ... + 122677551.

It is an arithmetic number, because the mean of its divisors is an integer number (1063127520).

Almost surely, 2^74465089536 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 74465089536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102060241920).

74465089536 is an abundant number, since it is smaller than the sum of its proper divisors (129655394304).

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

74465089536 is a wasteful number, since it uses less digits than its factorization.

74465089536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160 (or 1140 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 57.

The spelling of 74465089536 in words is "seventy-four billion, four hundred sixty-five million, eighty-nine thousand, five hundred thirty-six".