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72466451 is a prime number
BaseRepresentation
bin1000101000111…
…00000000010011
312001100200021122
410110130000103
5122022411301
611105112455
71536645311
oct424340023
9161320248
1072466451
11379a6132
122032872b
1312023375
1498a50b1
15656681b
hex451c013

72466451 has 2 divisors, whose sum is σ = 72466452. Its totient is φ = 72466450.

The previous prime is 72466403. The next prime is 72466453. The reversal of 72466451 is 15466427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72466451 - 222 = 68272147 is a prime.

Together with 72466453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72466453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36233225 + 36233226.

It is an arithmetic number, because the mean of its divisors is an integer number (36233226).

Almost surely, 272466451 is an apocalyptic number.

72466451 is a deficient number, since it is larger than the sum of its proper divisors (1).

72466451 is an equidigital number, since it uses as much as digits as its factorization.

72466451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 72466451 is about 8512.7228898866. The cubic root of 72466451 is about 416.9132177791.

The spelling of 72466451 in words is "seventy-two million, four hundred sixty-six thousand, four hundred fifty-one".