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72054701 is a prime number
BaseRepresentation
bin1000100101101…
…11011110101101
312000120202110122
410102313132231
5121421222301
611052214325
71533312005
oct422673655
9160522418
1072054701
1137744844
122016a3a5
1311c0ab24
1497d9005
1564d481b
hex44b77ad

72054701 has 2 divisors, whose sum is σ = 72054702. Its totient is φ = 72054700.

The previous prime is 72054691. The next prime is 72054709. The reversal of 72054701 is 10745027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64818601 + 7236100 = 8051^2 + 2690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-72054701 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72054709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36027350 + 36027351.

It is an arithmetic number, because the mean of its divisors is an integer number (36027351).

Almost surely, 272054701 is an apocalyptic number.

It is an amenable number.

72054701 is a deficient number, since it is larger than the sum of its proper divisors (1).

72054701 is an equidigital number, since it uses as much as digits as its factorization.

72054701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 72054701 is about 8488.5040495955. The cubic root of 72054701 is about 416.1220922608.

Adding to 72054701 its reverse (10745027), we get a palindrome (82799728).

The spelling of 72054701 in words is "seventy-two million, fifty-four thousand, seven hundred one".