74223551850 has 192 divisors, whose sum is σ = 220048773120. Its totient is φ = 16188480000.

The previous prime is 74223551839. The next prime is 74223551861. The reversal of 74223551850 is 5815532247.

It is an interprime number because it is at equal distance from previous prime (74223551839) and next prime (74223551861).

It is a Harshad number since it is a multiple of its sum of digits (42).

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 95 ways as a sum of consecutive naturals, for example, 10598350 + ... + 10605350.

It is an arithmetic number, because the mean of its divisors is an integer number (1146087360).

Almost surely, 2^74223551850 is an apocalyptic number.

74223551850 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 74223551850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110024386560).

74223551850 is an abundant number, since it is smaller than the sum of its proper divisors (145825221270).

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

74223551850 is a wasteful number, since it uses less digits than its factorization.

74223551850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7485 (or 7480 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 74223551850 in words is "seventy-four billion, two hundred twenty-three million, five hundred fifty-one thousand, eight hundred fifty".