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BaseRepresentation
bin10001010000101001
310120222102
4101100221
54230242
61303145
7413054
oct212051
9116872
1070697
1149130
1234ab5
1326243
141ba9b
1515e32
hex11429

70697 has 4 divisors (see below), whose sum is σ = 77136. Its totient is φ = 64260.

The previous prime is 70687. The next prime is 70709. The reversal of 70697 is 79607.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79607 = 117237.

It is a cyclic number.

It is not a de Polignac number, because 70697 - 212 = 66601 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 70697.

It is not an unprimeable number, because it can be changed into a prime (70607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3203 + ... + 3224.

It is an arithmetic number, because the mean of its divisors is an integer number (19284).

270697 is an apocalyptic number.

It is an amenable number.

70697 is a deficient number, since it is larger than the sum of its proper divisors (6439).

70697 is a wasteful number, since it uses less digits than its factorization.

70697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6438.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 70697 is about 265.8890746157. The cubic root of 70697 is about 41.3491889106.

It can be divided in two parts, 70 and 697, that added together give a palindrome (767).

The spelling of 70697 in words is "seventy thousand, six hundred ninety-seven".

Divisors: 1 11 6427 70697