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70975663 = 1117379549
BaseRepresentation
bin1000011101100…
…00000010101111
311221112221022021
410032300002233
5121132210123
611013131011
71521166063
oct416600257
9157487267
1070975663
1137078080
121b929a67
1311920945
1495d7aa3
15636ec5d
hex43b00af

70975663 has 8 divisors (see below), whose sum is σ = 81982800. Its totient is φ = 60727680.

The previous prime is 70975651. The next prime is 70975679. The reversal of 70975663 is 36657907.

70975663 is nontrivially palindromic in base 6.

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 70975663 - 225 = 37421231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70975693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189588 + ... + 189961.

It is an arithmetic number, because the mean of its divisors is an integer number (10247850).

Almost surely, 270975663 is an apocalyptic number.

70975663 is a deficient number, since it is larger than the sum of its proper divisors (11007137).

70975663 is a wasteful number, since it uses less digits than its factorization.

70975663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379577.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 70975663 is about 8424.7055141411. The cubic root of 70975663 is about 414.0344572906.

The spelling of 70975663 in words is "seventy million, nine hundred seventy-five thousand, six hundred sixty-three".

Divisors: 1 11 17 187 379549 4175039 6452333 70975663