74299745040 has 160 divisors (see below), whose sum is σ = 233069654016. Its totient is φ = 19578316800.

The previous prime is 74299745011. The next prime is 74299745059. The reversal of 74299745040 is 4054799247.

It is a super-2 number, since 2×74299745040² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13498929 + ... + 13504431.

Almost surely, 2^74299745040 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 74299745040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116534827008).

74299745040 is an abundant number, since it is smaller than the sum of its proper divisors (158769908976).

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

74299745040 is a wasteful number, since it uses less digits than its factorization.

74299745040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6177 (or 6171 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 74299745040 in words is "seventy-four billion, two hundred ninety-nine million, seven hundred forty-five thousand, forty".