Search a number
-
+
72675593 is a prime number
BaseRepresentation
bin1000101010011…
…11000100001001
312001202022011122
410111033010021
5122101104333
611113405025
71541506124
oct425170411
9161668148
1072675593
1138029281
1220409775
1312097613
14991b3bb
1565a8798
hex454f109

72675593 has 2 divisors, whose sum is σ = 72675594. Its totient is φ = 72675592.

The previous prime is 72675587. The next prime is 72675649. The reversal of 72675593 is 39557627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63170704 + 9504889 = 7948^2 + 3083^2 .

It is an emirp because it is prime and its reverse (39557627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72675593 - 212 = 72671497 is a prime.

It is not a weakly prime, because it can be changed into another prime (72675523) 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 as a sum of consecutive naturals, namely, 36337796 + 36337797.

It is an arithmetic number, because the mean of its divisors is an integer number (36337797).

Almost surely, 272675593 is an apocalyptic number.

It is an amenable number.

72675593 is a deficient number, since it is larger than the sum of its proper divisors (1).

72675593 is an equidigital number, since it uses as much as digits as its factorization.

72675593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 396900, while the sum is 44.

The square root of 72675593 is about 8524.9981231669. The cubic root of 72675593 is about 417.3139103985.

The spelling of 72675593 in words is "seventy-two million, six hundred seventy-five thousand, five hundred ninety-three".