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72896726 = 279375557
BaseRepresentation
bin1000101100001…
…01000011010110
312002011112111202
410112011003112
5122130143401
611122232502
71543416620
oct426050326
9162145452
1072896726
113816a431
12204b5732
1312144176
149977c10
1565ee06b
hex45850d6

72896726 has 16 divisors (see below), whose sum is σ = 125121696. Its totient is φ = 31202496.

The previous prime is 72896713. The next prime is 72896753. The reversal of 72896726 is 62769827.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10340 + ... + 15896.

It is an arithmetic number, because the mean of its divisors is an integer number (7820106).

Almost surely, 272896726 is an apocalyptic number.

72896726 is a deficient number, since it is larger than the sum of its proper divisors (52224970).

72896726 is a wasteful number, since it uses less digits than its factorization.

72896726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6503.

The product of its digits is 508032, while the sum is 47.

The square root of 72896726 is about 8537.9579525786. The cubic root of 72896726 is about 417.7367412024.

The spelling of 72896726 in words is "seventy-two million, eight hundred ninety-six thousand, seven hundred twenty-six".

Divisors: 1 2 7 14 937 1874 5557 6559 11114 13118 38899 77798 5206909 10413818 36448363 72896726