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72982373 is a prime number
BaseRepresentation
bin1000101100110…
…01111101100101
312002022212222212
410112121331211
5122140413443
611124133205
71544224412
oct426317545
9162285885
1072982373
1138218812
1220537205
1312174149
14999b109
156619618
hex4599f65

72982373 has 2 divisors, whose sum is σ = 72982374. Its totient is φ = 72982372.

The previous prime is 72982361. The next prime is 72982379. The reversal of 72982373 is 37328927.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40742689 + 32239684 = 6383^2 + 5678^2 .

It is a cyclic number.

It is not a de Polignac number, because 72982373 - 212 = 72978277 is a prime.

It is a super-2 number, since 2×729823732 = 10652853537422258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72982373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72982379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36491186 + 36491187.

It is an arithmetic number, because the mean of its divisors is an integer number (36491187).

Almost surely, 272982373 is an apocalyptic number.

It is an amenable number.

72982373 is a deficient number, since it is larger than the sum of its proper divisors (1).

72982373 is an equidigital number, since it uses as much as digits as its factorization.

72982373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 72982373 is about 8542.9721408887. The cubic root of 72982373 is about 417.9002780206.

The spelling of 72982373 in words is "seventy-two million, nine hundred eighty-two thousand, three hundred seventy-three".