74573441250 has 320 divisors, whose sum is σ = 233464467456. Its totient is φ = 15422400000.

The previous prime is 74573441227. The next prime is 74573441251. The reversal of 74573441250 is 5214437547.

It is a super-2 number, since 2×74573441250² (a number of 23 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (74573441251) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 78250774 + ... + 78251726.

Almost surely, 2^74573441250 is an apocalyptic number.

74573441250 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 74573441250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116732233728).

74573441250 is an abundant number, since it is smaller than the sum of its proper divisors (158891026206).

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

74573441250 is a wasteful number, since it uses less digits than its factorization.

74573441250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1252 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 42.

Adding to 74573441250 its reverse (5214437547), we get a palindrome (79787878797).

The spelling of 74573441250 in words is "seventy-four billion, five hundred seventy-three million, four hundred forty-one thousand, two hundred fifty".