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72495233 is a prime number
BaseRepresentation
bin1000101001000…
…11000010000001
312001102010202122
410110203002001
5122024321413
611105454025
71540125236
oct424430201
9161363678
1072495233
1137a15818
1220341315
13120334b5
1498b178d
156570108
hex4523081

72495233 has 2 divisors, whose sum is σ = 72495234. Its totient is φ = 72495232.

The previous prime is 72495229. The next prime is 72495277. The reversal of 72495233 is 33259427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69422224 + 3073009 = 8332^2 + 1753^2 .

It is a cyclic number.

It is not a de Polignac number, because 72495233 - 22 = 72495229 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 72495193 and 72495202.

It is not a weakly prime, because it can be changed into another prime (72495223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36247616 + 36247617.

It is an arithmetic number, because the mean of its divisors is an integer number (36247617).

Almost surely, 272495233 is an apocalyptic number.

It is an amenable number.

72495233 is a deficient number, since it is larger than the sum of its proper divisors (1).

72495233 is an equidigital number, since it uses as much as digits as its factorization.

72495233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 35.

The square root of 72495233 is about 8514.4132504830. The cubic root of 72495233 is about 416.9684065723.

The spelling of 72495233 in words is "seventy-two million, four hundred ninety-five thousand, two hundred thirty-three".