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72327025 = 522893081
BaseRepresentation
bin1000100111110…
…01111101110001
312001002121000201
410103321331301
5122003431100
611102115201
71535524651
oct423717561
9161077021
1072327025
1137910401
122027bb01
1311ca4a74
14986a361
15653a36a
hex44f9f71

72327025 has 6 divisors (see below), whose sum is σ = 89685542. Its totient is φ = 57861600.

The previous prime is 72327011. The next prime is 72327041. The reversal of 72327025 is 52072327.

It can be written as a sum of positive squares in 3 ways, for example, as 3038049 + 69288976 = 1743^2 + 8324^2 .

It is not a de Polignac number, because 72327025 - 219 = 71802737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72326984 and 72327002.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1446516 + ... + 1446565.

Almost surely, 272327025 is an apocalyptic number.

It is an amenable number.

72327025 is a deficient number, since it is larger than the sum of its proper divisors (17358517).

72327025 is a wasteful number, since it uses less digits than its factorization.

72327025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893091 (or 2893086 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 72327025 is about 8504.5296754142. The cubic root of 72327025 is about 416.6456647192.

The spelling of 72327025 in words is "seventy-two million, three hundred twenty-seven thousand, twenty-five".

Divisors: 1 5 25 2893081 14465405 72327025