74286016280 has 128 divisors (see below), whose sum is σ = 193971456000. Its totient is φ = 25077911040.

The previous prime is 74286016247. The next prime is 74286016303. The reversal of 74286016280 is 8261068247.

It is a super-4 number, since 4×74286016280⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 8379050 + ... + 8387910.

It is an arithmetic number, because the mean of its divisors is an integer number (1515402000).

Almost surely, 2^74286016280 is an apocalyptic number.

74286016280 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74286016280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96985728000).

74286016280 is an abundant number, since it is smaller than the sum of its proper divisors (119685439720).

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

74286016280 is a wasteful number, since it uses less digits than its factorization.

74286016280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9337 (or 9333 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The spelling of 74286016280 in words is "seventy-four billion, two hundred eighty-six million, sixteen thousand, two hundred eighty".