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74003065 = 561242633
BaseRepresentation
bin1000110100100…
…11001001111001
312011020202010021
410122103021321
5122421044230
611202050441
71556005243
oct432231171
9164222107
1074003065
1138855664
1220949a21
13124408c6
149b85093
15676bc7a
hex4693279

74003065 has 8 divisors (see below), whose sum is σ = 90259848. Its totient is φ = 58231680.

The previous prime is 74003047. The next prime is 74003077. The reversal of 74003065 is 56030047.

It can be written as a sum of positive squares in 4 ways, for example, as 5494336 + 68508729 = 2344^2 + 8277^2 .

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

It is not a de Polignac number, because 74003065 - 221 = 71905913 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 121012 + ... + 121621.

It is an arithmetic number, because the mean of its divisors is an integer number (11282481).

Almost surely, 274003065 is an apocalyptic number.

It is an amenable number.

74003065 is a deficient number, since it is larger than the sum of its proper divisors (16256783).

74003065 is a wasteful number, since it uses less digits than its factorization.

74003065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242699.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 74003065 is about 8602.5034147043. The cubic root of 74003065 is about 419.8394416527.

The spelling of 74003065 in words is "seventy-four million, three thousand, sixty-five".

Divisors: 1 5 61 305 242633 1213165 14800613 74003065