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8072738 = 216324763
BaseRepresentation
bin11110110010111000100010
3120012010201022
4132302320202
54031311423
6445005442
7125421452
oct36627042
916163638
108072738
114614193
122853882
13189858b
141101d62
15a96dc8
hex7b2e22

8072738 has 8 divisors (see below), whose sum is σ = 12183888. Its totient is φ = 4011444.

The previous prime is 8072737. The next prime is 8072749. The reversal of 8072738 is 8372708.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8072698 and 8072707.

It is not an unprimeable number, because it can be changed into a prime (8072737) 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, 12056 + ... + 12707.

It is an arithmetic number, because the mean of its divisors is an integer number (1522986).

Almost surely, 28072738 is an apocalyptic number.

8072738 is a deficient number, since it is larger than the sum of its proper divisors (4111150).

8072738 is a wasteful number, since it uses less digits than its factorization.

8072738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24928.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 8072738 is about 2841.2564122233. The cubic root of 8072738 is about 200.6043221346.

The spelling of 8072738 in words is "eight million, seventy-two thousand, seven hundred thirty-eight".

Divisors: 1 2 163 326 24763 49526 4036369 8072738