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68709734 = 298334949
BaseRepresentation
bin1000001100001…
…10110101100110
311210021211000222
410012012311212
5120042202414
610452404342
71463010632
oct406066546
9153254028
1068709734
113586a705
121b0166b2
1311309462
1491a7dc2
15607368e
hex4186d66

68709734 has 8 divisors (see below), whose sum is σ = 103172400. Its totient is φ = 34318936.

The previous prime is 68709731. The next prime is 68709761. The reversal of 68709734 is 43790786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68709731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15509 + ... + 19440.

It is an arithmetic number, because the mean of its divisors is an integer number (12896550).

Almost surely, 268709734 is an apocalyptic number.

68709734 is a deficient number, since it is larger than the sum of its proper divisors (34462666).

68709734 is a wasteful number, since it uses less digits than its factorization.

68709734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35934.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 68709734 is about 8289.1334890928. The cubic root of 68709734 is about 409.5806420079.

The spelling of 68709734 in words is "sixty-eight million, seven hundred nine thousand, seven hundred thirty-four".

Divisors: 1 2 983 1966 34949 69898 34354867 68709734