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7000073 = 172317903
BaseRepresentation
bin11010101101000000001001
3111011122021222
4122231000021
53243000243
6410011425
7113333243
oct32550011
914148258
107000073
113a51293
122416b75
1315b1272
14d03093
15934168
hex6ad009

7000073 has 8 divisors (see below), whose sum is σ = 7734528. Its totient is φ = 6301504.

The previous prime is 7000069. The next prime is 7000087. The reversal of 7000073 is 3700007.

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 7000073 - 22 = 7000069 is a prime.

It is a super-3 number, since 3×70000733 (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7000003) 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, 8561 + ... + 9342.

It is an arithmetic number, because the mean of its divisors is an integer number (966816).

Almost surely, 27000073 is an apocalyptic number.

It is an amenable number.

7000073 is a deficient number, since it is larger than the sum of its proper divisors (734455).

7000073 is a wasteful number, since it uses less digits than its factorization.

7000073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17943.

The product of its (nonzero) digits is 147, while the sum is 17.

The square root of 7000073 is about 2645.7651067319. The cubic root of 7000073 is about 191.2937832462.

The spelling of 7000073 in words is "seven million, seventy-three", and thus it is an aban number and an uban number.

Divisors: 1 17 23 391 17903 304351 411769 7000073