74604565040 has 80 divisors (see below), whose sum is σ = 174956516352. Its totient is φ = 29583977472.

The previous prime is 74604565033. The next prime is 74604565051. The reversal of 74604565040 is 4056540647.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×74604565040² (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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20287682 + ... + 20291358.

Almost surely, 2^74604565040 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 74604565040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87478258176).

74604565040 is an abundant number, since it is smaller than the sum of its proper divisors (100351951312).

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

74604565040 is a wasteful number, since it uses less digits than its factorization.

74604565040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5814 (or 5808 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 74604565040 in words is "seventy-four billion, six hundred four million, five hundred sixty-five thousand, forty".