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70737071 = 312519091
BaseRepresentation
bin1000011011101…
…01110010101111
311221002211000112
410031311302233
5121102041241
611004050235
71516153346
oct415656257
9157084015
1070737071
1136a24899
121b83397b
1311869172
149574b5d
1563241eb
hex4375caf

70737071 has 8 divisors (see below), whose sum is σ = 73317888. Its totient is φ = 68175000.

The previous prime is 70737053. The next prime is 70737077. The reversal of 70737071 is 17073707.

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 70737071 - 218 = 70474927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70737077) 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, 3236 + ... + 12326.

It is an arithmetic number, because the mean of its divisors is an integer number (9164736).

Almost surely, 270737071 is an apocalyptic number.

70737071 is a deficient number, since it is larger than the sum of its proper divisors (2580817).

70737071 is a wasteful number, since it uses less digits than its factorization.

70737071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9373.

The product of its (nonzero) digits is 7203, while the sum is 32.

The square root of 70737071 is about 8410.5333362397. The cubic root of 70737071 is about 413.5699966357.

The spelling of 70737071 in words is "seventy million, seven hundred thirty-seven thousand, seventy-one".

Divisors: 1 31 251 7781 9091 281821 2281841 70737071