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73728797 = 1913927917
BaseRepresentation
bin1000110010100…
…00001100011101
312010201210220012
410121100030131
5122333310142
611152133005
71553453522
oct431201435
9163653805
1073728797
113868859a
1220837165
1312375b0c
149b13149
156715882
hex465031d

73728797 has 8 divisors (see below), whose sum is σ = 78170400. Its totient is φ = 69343344.

The previous prime is 73728793. The next prime is 73728839. The reversal of 73728797 is 79782737.

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 73728797 - 22 = 73728793 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 (73728793) by changing a digit.

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, 11318 + ... + 16599.

It is an arithmetic number, because the mean of its divisors is an integer number (9771300).

Almost surely, 273728797 is an apocalyptic number.

It is an amenable number.

73728797 is a deficient number, since it is larger than the sum of its proper divisors (4441603).

73728797 is a wasteful number, since it uses less digits than its factorization.

73728797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28075.

The product of its digits is 1037232, while the sum is 50.

The square root of 73728797 is about 8586.5474435305. The cubic root of 73728797 is about 419.3201340134.

The spelling of 73728797 in words is "seventy-three million, seven hundred twenty-eight thousand, seven hundred ninety-seven".

Divisors: 1 19 139 2641 27917 530423 3880463 73728797