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68373071 = 137174077
BaseRepresentation
bin1000001001101…
…00101001001111
311202122201012222
410010310221033
5120000414241
610441245555
71460106254
oct404645117
9152581188
1068373071
113565a778
121aa938bb
131121c150
14911b42b
156008a4b
hex4134a4f

68373071 has 8 divisors (see below), whose sum is σ = 74670624. Its totient is φ = 62223840.

The previous prime is 68373059. The next prime is 68373079. The reversal of 68373071 is 17037386.

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 68373071 - 26 = 68373007 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 (68373079) 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, 36116 + ... + 37961.

It is an arithmetic number, because the mean of its divisors is an integer number (9333828).

Almost surely, 268373071 is an apocalyptic number.

68373071 is a deficient number, since it is larger than the sum of its proper divisors (6297553).

68373071 is a wasteful number, since it uses less digits than its factorization.

68373071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74161.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 68373071 is about 8268.8010618227. The cubic root of 68373071 is about 408.9105939363.

The spelling of 68373071 in words is "sixty-eight million, three hundred seventy-three thousand, seventy-one".

Divisors: 1 13 71 923 74077 963001 5259467 68373071