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72475 = 5213223
BaseRepresentation
bin10001101100011011
310200102021
4101230123
54304400
61315311
7421204
oct215433
9120367
1072475
114a4a7
1235b37
1326cb0
141c5ab
151671a
hex11b1b

72475 has 12 divisors (see below), whose sum is σ = 97216. Its totient is φ = 53280.

The previous prime is 72469. The next prime is 72481. The reversal of 72475 is 57427.

It is an interprime number because it is at equal distance from previous prime (72469) and next prime (72481).

It is not a de Polignac number, because 72475 - 23 = 72467 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214 + ... + 436.

272475 is an apocalyptic number.

72475 is a deficient number, since it is larger than the sum of its proper divisors (24741).

72475 is a wasteful number, since it uses less digits than its factorization.

72475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 241 counting only the distinct ones).

The product of its digits is 1960, while the sum is 25.

The square root of 72475 is about 269.2118125194. The cubic root of 72475 is about 41.6929611807.

The spelling of 72475 in words is "seventy-two thousand, four hundred seventy-five".

Divisors: 1 5 13 25 65 223 325 1115 2899 5575 14495 72475