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73235969 is a prime number
BaseRepresentation
bin1000101110101…
…11111000000001
312002210202212022
410113113320001
5122222022334
611133411225
71546331642
oct427277001
9162722768
1073235969
11383812a4
1220639b15
13122326c1
149a256c9
15666982e
hex45d7e01

73235969 has 2 divisors, whose sum is σ = 73235970. Its totient is φ = 73235968.

The previous prime is 73235959. The next prime is 73235989. The reversal of 73235969 is 96953237.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62995969 + 10240000 = 7937^2 + 3200^2 .

It is an emirp because it is prime and its reverse (96953237) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73235969 - 28 = 73235713 is a prime.

It is a super-2 number, since 2×732359692 = 10727014310737922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (73235959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36617984 + 36617985.

It is an arithmetic number, because the mean of its divisors is an integer number (36617985).

Almost surely, 273235969 is an apocalyptic number.

It is an amenable number.

73235969 is a deficient number, since it is larger than the sum of its proper divisors (1).

73235969 is an equidigital number, since it uses as much as digits as its factorization.

73235969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 44.

The square root of 73235969 is about 8557.8016452825. The cubic root of 73235969 is about 418.3837524172.

The spelling of 73235969 in words is "seventy-three million, two hundred thirty-five thousand, nine hundred sixty-nine".