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72719 is a prime number
BaseRepresentation
bin10001110000001111
310200202022
4101300033
54311334
61320355
7422003
oct216017
9120668
1072719
114a6a9
12360bb
132713a
141c703
151682e
hex11c0f

72719 has 2 divisors, whose sum is σ = 72720. Its totient is φ = 72718.

The previous prime is 72707. The next prime is 72727. The reversal of 72719 is 91727.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-72719 is a prime.

It is a super-2 number, since 2×727192 = 10576105922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36359 + 36360.

It is an arithmetic number, because the mean of its divisors is an integer number (36360).

272719 is an apocalyptic number.

72719 is a deficient number, since it is larger than the sum of its proper divisors (1).

72719 is an equidigital number, since it uses as much as digits as its factorization.

72719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 882, while the sum is 26.

The square root of 72719 is about 269.6646065022. The cubic root of 72719 is about 41.7396976982.

The spelling of 72719 in words is "seventy-two thousand, seven hundred nineteen".