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72492671 is a prime number
BaseRepresentation
bin1000101001000…
…10011001111111
312001102000020202
410110202121333
5122024231141
611105434115
71540114616
oct424423177
9161360222
1072492671
1137a138a9
122033b93b
1312032294
1498b087d
15656e49b
hex452267f

72492671 has 2 divisors, whose sum is σ = 72492672. Its totient is φ = 72492670.

The previous prime is 72492653. The next prime is 72492689. The reversal of 72492671 is 17629427.

It is a balanced prime because it is at equal distance from previous prime (72492653) and next prime (72492689).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-72492671 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72492611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36246335 + 36246336.

It is an arithmetic number, because the mean of its divisors is an integer number (36246336).

Almost surely, 272492671 is an apocalyptic number.

72492671 is a deficient number, since it is larger than the sum of its proper divisors (1).

72492671 is an equidigital number, since it uses as much as digits as its factorization.

72492671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 72492671 is about 8514.2627983872. The cubic root of 72492671 is about 416.9634945912.

The spelling of 72492671 in words is "seventy-two million, four hundred ninety-two thousand, six hundred seventy-one".