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70969 is a prime number
BaseRepresentation
bin10001010100111001
310121100111
4101110321
54232334
61304321
7413623
oct212471
9117314
1070969
1149358
12350a1
13263c2
141bc13
1516064
hex11539

70969 has 2 divisors, whose sum is σ = 70970. Its totient is φ = 70968.

The previous prime is 70957. The next prime is 70979. The reversal of 70969 is 96907.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45369 + 25600 = 213^2 + 160^2 .

It is an emirp because it is prime and its reverse (96907) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70969 - 25 = 70937 is a prime.

It is a super-2 number, since 2×709692 = 10073197922, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 70969.

It is not a weakly prime, because it can be changed into another prime (70919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35484 + 35485.

It is an arithmetic number, because the mean of its divisors is an integer number (35485).

270969 is an apocalyptic number.

It is an amenable number.

70969 is a deficient number, since it is larger than the sum of its proper divisors (1).

70969 is an equidigital number, since it uses as much as digits as its factorization.

70969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 70969 is about 266.4000750751. The cubic root of 70969 is about 41.4021500746.

The spelling of 70969 in words is "seventy thousand, nine hundred sixty-nine".