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72074983 is a prime number
BaseRepresentation
bin1000100101111…
…00011011100111
312000121210021211
410102330123213
5121422344413
611052452251
71533425101
oct422743347
9160553254
1072074983
1137759002
122017a087
1311c17126
149802571
1564da83d
hex44bc6e7

72074983 has 2 divisors, whose sum is σ = 72074984. Its totient is φ = 72074982.

The previous prime is 72074963. The next prime is 72074987. The reversal of 72074983 is 38947027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72074983 - 225 = 38520551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72074987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36037491 + 36037492.

It is an arithmetic number, because the mean of its divisors is an integer number (36037492).

Almost surely, 272074983 is an apocalyptic number.

72074983 is a deficient number, since it is larger than the sum of its proper divisors (1).

72074983 is an equidigital number, since it uses as much as digits as its factorization.

72074983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 72074983 is about 8489.6986401167. The cubic root of 72074983 is about 416.1611320292.

The spelling of 72074983 in words is "seventy-two million, seventy-four thousand, nine hundred eighty-three".