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72750875 = 534091423
BaseRepresentation
bin1000101011000…
…01011100011011
312001220010102212
410111201130123
5122111012000
611115145335
71542241451
oct425413433
9161803385
1072750875
113807a89a
122044524b
13120c2972
14993a9d1
1565c0c35
hex456171b

72750875 has 16 divisors (see below), whose sum is σ = 91079040. Its totient is φ = 58017600.

The previous prime is 72750859. The next prime is 72750913. The reversal of 72750875 is 57805727.

It is not a de Polignac number, because 72750875 - 24 = 72750859 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50414 + ... + 51836.

It is an arithmetic number, because the mean of its divisors is an integer number (5692440).

Almost surely, 272750875 is an apocalyptic number.

72750875 is a deficient number, since it is larger than the sum of its proper divisors (18328165).

72750875 is a wasteful number, since it uses less digits than its factorization.

72750875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847 (or 1837 counting only the distinct ones).

The product of its (nonzero) digits is 137200, while the sum is 41.

The square root of 72750875 is about 8529.4123478702. The cubic root of 72750875 is about 417.4579541006.

The spelling of 72750875 in words is "seventy-two million, seven hundred fifty thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 409 1423 2045 7115 10225 35575 51125 177875 582007 2910035 14550175 72750875