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72934427 is a prime number
BaseRepresentation
bin1000101100011…
…10010000011011
312002020110020002
410112032100123
5122132400202
611123123215
71543634546
oct426162033
9162213202
1072934427
1138195795
122051350b
1312158387
14998785d
15660a302
hex458e41b

72934427 has 2 divisors, whose sum is σ = 72934428. Its totient is φ = 72934426.

The previous prime is 72934417. The next prime is 72934453. The reversal of 72934427 is 72443927.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72934427 - 28 = 72934171 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72934417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36467213 + 36467214.

It is an arithmetic number, because the mean of its divisors is an integer number (36467214).

Almost surely, 272934427 is an apocalyptic number.

72934427 is a deficient number, since it is larger than the sum of its proper divisors (1).

72934427 is an equidigital number, since it uses as much as digits as its factorization.

72934427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 38.

The square root of 72934427 is about 8540.1655136186. The cubic root of 72934427 is about 417.8087443383.

The spelling of 72934427 in words is "seventy-two million, nine hundred thirty-four thousand, four hundred twenty-seven".