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75267668 = 2277137861
BaseRepresentation
bin1000111110001…
…11111001010100
312020121222211102
410133013321110
5123232031133
611245125232
71602523160
oct437077124
9166558742
1075267668
1139539793
1221259818
13127943a8
149dd3ca0
15691b7e8
hex47c7e54

75267668 has 24 divisors (see below), whose sum is σ = 152659584. Its totient is φ = 31802400.

The previous prime is 75267649. The next prime is 75267671. The reversal of 75267668 is 86676257.

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, 16943 + ... + 20918.

It is an arithmetic number, because the mean of its divisors is an integer number (6360816).

Almost surely, 275267668 is an apocalyptic number.

It is an amenable number.

75267668 is an abundant number, since it is smaller than the sum of its proper divisors (77391916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75267668 is a wasteful number, since it uses less digits than its factorization.

75267668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37943 (or 37941 counting only the distinct ones).

The product of its digits is 846720, while the sum is 47.

The square root of 75267668 is about 8675.6940932700. The cubic root of 75267668 is about 422.2174257483.

The spelling of 75267668 in words is "seventy-five million, two hundred sixty-seven thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 71 142 284 497 994 1988 37861 75722 151444 265027 530054 1060108 2688131 5376262 10752524 18816917 37633834 75267668