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70716069 = 329078663
BaseRepresentation
bin1000011011100…
…00101010100101
311221001202012200
410031300222211
5121100403234
611003405113
71516035204
oct415605245
9157052180
1070716069
1136a10036
121b823799
131185c738
14956b23b
15631cd99
hex4370aa5

70716069 has 12 divisors (see below), whose sum is σ = 102269856. Its totient is φ = 47086632.

The previous prime is 70716067. The next prime is 70716077. The reversal of 70716069 is 96061707.

It is not a de Polignac number, because 70716069 - 21 = 70716067 is a prime.

It is a super-2 number, since 2×707160692 = 10001524829625522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70716067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3832 + ... + 12494.

It is an arithmetic number, because the mean of its divisors is an integer number (8522488).

Almost surely, 270716069 is an apocalyptic number.

It is an amenable number.

70716069 is a deficient number, since it is larger than the sum of its proper divisors (31553787).

70716069 is a wasteful number, since it uses less digits than its factorization.

70716069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9576 (or 9573 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 70716069 is about 8409.2846901505. The cubic root of 70716069 is about 413.5290626214.

The spelling of 70716069 in words is "seventy million, seven hundred sixteen thousand, sixty-nine".

Divisors: 1 3 9 907 2721 8163 8663 25989 77967 7857341 23572023 70716069