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72589895 = 572073997
BaseRepresentation
bin1000101001110…
…10001001000111
312001120221121122
410110322021013
5122040334040
611111504155
71541001230
oct424721107
9161527548
1072589895
1137a7a954
122038805b
1312067601
1498d8087
15658d1b5
hex453a247

72589895 has 8 divisors (see below), whose sum is σ = 99551904. Its totient is φ = 49775904.

The previous prime is 72589889. The next prime is 72589901. The reversal of 72589895 is 59898527.

It is an interprime number because it is at equal distance from previous prime (72589889) and next prime (72589901).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72589895 - 218 = 72327751 is a prime.

It is a super-2 number, since 2×725898952 = 10538585712222050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1036964 + ... + 1037033.

It is an arithmetic number, because the mean of its divisors is an integer number (12443988).

Almost surely, 272589895 is an apocalyptic number.

72589895 is a deficient number, since it is larger than the sum of its proper divisors (26962009).

72589895 is a wasteful number, since it uses less digits than its factorization.

72589895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074009.

The product of its digits is 1814400, while the sum is 53.

The square root of 72589895 is about 8519.9703637982. The cubic root of 72589895 is about 417.1498157220.

The spelling of 72589895 in words is "seventy-two million, five hundred eighty-nine thousand, eight hundred ninety-five".

Divisors: 1 5 7 35 2073997 10369985 14517979 72589895