74020272040 has 128 divisors (see below), whose sum is σ = 195831457920. Its totient is φ = 24824448000.

The previous prime is 74020272037. The next prime is 74020272047. The reversal of 74020272040 is 4027202047.

It is not an unprimeable number, because it can be changed into a prime (74020272047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7471090 + ... + 7480990.

It is an arithmetic number, because the mean of its divisors is an integer number (1529933265).

Almost surely, 2^74020272040 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 74020272040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97915728960).

74020272040 is an abundant number, since it is smaller than the sum of its proper divisors (121811185880).

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

74020272040 is a wasteful number, since it uses less digits than its factorization.

74020272040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11243 (or 11239 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 28.

Adding to 74020272040 its reverse (4027202047), we get a palindrome (78047474087).

The spelling of 74020272040 in words is "seventy-four billion, twenty million, two hundred seventy-two thousand, forty".