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73422725 = 5231211449
BaseRepresentation
bin1000110000001…
…01011110000101
312010011021001012
410120011132011
5122244011400
611141412005
71551040265
oct430053605
9163137035
1073422725
1138499642
122070a005
13122996cc
149a737a5
1566a4d35
hex4605785

73422725 has 24 divisors (see below), whose sum is σ = 94636800. Its totient is φ = 56448000.

The previous prime is 73422721. The next prime is 73422731. The reversal of 73422725 is 52722437.

It is not a de Polignac number, because 73422725 - 22 = 73422721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73422691 and 73422700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73422721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163301 + ... + 163749.

It is an arithmetic number, because the mean of its divisors is an integer number (3943200).

Almost surely, 273422725 is an apocalyptic number.

It is an amenable number.

73422725 is a deficient number, since it is larger than the sum of its proper divisors (21214075).

73422725 is a wasteful number, since it uses less digits than its factorization.

73422725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 696 counting only the distinct ones).

The product of its digits is 23520, while the sum is 32.

The square root of 73422725 is about 8568.7061450373. The cubic root of 73422725 is about 418.7390848866.

It can be divided in two parts, 73422 and 725, that added together give a palindrome (74147).

The spelling of 73422725 in words is "seventy-three million, four hundred twenty-two thousand, seven hundred twenty-five".

Divisors: 1 5 25 31 155 211 449 775 1055 2245 5275 6541 11225 13919 32705 69595 94739 163525 347975 473695 2368475 2936909 14684545 73422725