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70666074 = 2332356897
BaseRepresentation
bin1000011011001…
…00011101011010
311220222012122000
410031210131122
5121042303244
611002341430
71515436353
oct415443532
9156865560
1070666074
1136986516
121b7ba876
1311842a5b
149556d2a
15630d169
hex436475a

70666074 has 32 divisors (see below), whose sum is σ = 163866240. Its totient is φ = 22530816.

The previous prime is 70666061. The next prime is 70666103. The reversal of 70666074 is 47066607.

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, 27207 + ... + 29690.

It is an arithmetic number, because the mean of its divisors is an integer number (5120820).

Almost surely, 270666074 is an apocalyptic number.

70666074 is an abundant number, since it is smaller than the sum of its proper divisors (93200166).

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

70666074 is a wasteful number, since it uses less digits than its factorization.

70666074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56931 (or 56925 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 70666074 is about 8406.3115573954. The cubic root of 70666074 is about 413.4315870885.

The spelling of 70666074 in words is "seventy million, six hundred sixty-six thousand, seventy-four".

Divisors: 1 2 3 6 9 18 23 27 46 54 69 138 207 414 621 1242 56897 113794 170691 341382 512073 1024146 1308631 1536219 2617262 3072438 3925893 7851786 11777679 23555358 35333037 70666074