74111372020 has 192 divisors, whose sum is σ = 187987968000. Its totient is φ = 24506616960.

The previous prime is 74111371987. The next prime is 74111372021. The reversal of 74111372020 is 2027311147.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 74111372020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74111372021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119727271 + ... + 119727889.

It is an arithmetic number, because the mean of its divisors is an integer number (979104000).

Almost surely, 2^74111372020 is an apocalyptic number.

74111372020 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 74111372020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93993984000).

74111372020 is an abundant number, since it is smaller than the sum of its proper divisors (113876595980).

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

74111372020 is a wasteful number, since it uses less digits than its factorization.

74111372020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

Adding to 74111372020 its reverse (2027311147), we get a palindrome (76138683167).

The spelling of 74111372020 in words is "seventy-four billion, one hundred eleven million, three hundred seventy-two thousand, twenty".