Search a number
-
+
70729343 = 1916722291
BaseRepresentation
bin1000011011100…
…11111001111111
311221002102102022
410031303321333
5121101314333
611003550355
71516121666
oct415637177
9157072368
1070729343
1136a1a003
121b82b3bb
13118657a9
149571ddd
156321c98
hex4373e7f

70729343 has 8 divisors (see below), whose sum is σ = 74901120. Its totient is φ = 66602520.

The previous prime is 70729339. The next prime is 70729409. The reversal of 70729343 is 34392707.

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 70729343 - 22 = 70729339 is a prime.

It is a super-2 number, since 2×707293432 = 10005279922423298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70729303) 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, 7973 + ... + 14318.

It is an arithmetic number, because the mean of its divisors is an integer number (9362640).

Almost surely, 270729343 is an apocalyptic number.

70729343 is a deficient number, since it is larger than the sum of its proper divisors (4171777).

70729343 is a wasteful number, since it uses less digits than its factorization.

70729343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22477.

The product of its (nonzero) digits is 31752, while the sum is 35.

The square root of 70729343 is about 8410.0738997942. The cubic root of 70729343 is about 413.5549352952.

The spelling of 70729343 in words is "seventy million, seven hundred twenty-nine thousand, three hundred forty-three".

Divisors: 1 19 167 3173 22291 423529 3722597 70729343