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74276701920 = 253651747797
BaseRepresentation
bin100010100101100111…
…1001000011011100000
321002201110201102000000
41011023033020123200
52204104313430140
654042223300000
75236434356241
oct1051317103340
9232643642000
1074276701920
1129556297573
121248b14a600
13700949a4c5
1438489d6cc8
151deace1a30
hex114b3c86e0

74276701920 has 672 divisors, whose sum is σ = 284858114688. Its totient is φ = 18222465024.

The previous prime is 74276701879. The next prime is 74276701927. The reversal of 74276701920 is 2910767247.

It is a super-2 number, since 2×742767019202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74276701927) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 93194962 + ... + 93195758.

It is an arithmetic number, because the mean of its divisors is an integer number (423896004).

Almost surely, 274276701920 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 74276701920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142429057344).

74276701920 is an abundant number, since it is smaller than the sum of its proper divisors (210581412768).

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

74276701920 is a wasteful number, since it uses less digits than its factorization.

74276701920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The spelling of 74276701920 in words is "seventy-four billion, two hundred seventy-six million, seven hundred one thousand, nine hundred twenty".