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72060719040 = 2633567281443
BaseRepresentation
bin100001100011100100…
…1110100111111000000
320220000000221210222000
41003013021310333000
52140040021002130
653034303144000
75130506001612
oct1030711647700
9226000853860
1072060719040
1128619440862
1211b70ba5000
136a4536102b
1436b8598db2
151d1b4b9260
hex10c7274fc0

72060719040 has 448 divisors, whose sum is σ = 259511109120. Its totient is φ = 18819440640.

The previous prime is 72060718979. The next prime is 72060719057. The reversal of 72060719040 is 4091706027.

It is a happy number.

72060719040 is a `hidden beast` number, since 7 + 2 + 0 + 607 + 1 + 9 + 0 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 72060718986 and 72060719004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 162665059 + ... + 162665501.

Almost surely, 272060719040 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 72060719040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129755554560).

72060719040 is an abundant number, since it is smaller than the sum of its proper divisors (187450390080).

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

72060719040 is a wasteful number, since it uses less digits than its factorization.

72060719040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 72060719040 in words is "seventy-two billion, sixty million, seven hundred nineteen thousand, forty".