74099943000 has 288 divisors, whose sum is σ = 264345176160. Its totient is φ = 18719164800.

The previous prime is 74099942989. The next prime is 74099943011. The reversal of 74099943000 is 34999047.

It is an interprime number because it is at equal distance from previous prime (74099942989) and next prime (74099943011).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 3237597 + ... + 3260403.

It is an arithmetic number, because the mean of its divisors is an integer number (917865195).

Almost surely, 2^74099943000 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 74099943000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132172588080).

74099943000 is an abundant number, since it is smaller than the sum of its proper divisors (190245233160).

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

74099943000 is a wasteful number, since it uses less digits than its factorization.

74099943000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22872 (or 22836 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 74099943000 in words is "seventy-four billion, ninety-nine million, nine hundred forty-three thousand".