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73430797 = 116675527
BaseRepresentation
bin1000110000001…
…11011100001101
312010011200010011
410120013130031
5122244241142
611141513221
71551102646
oct430073415
9163150104
1073430797
11384a4710
1220712811
13122a029b
149a766cd
1566a7417
hex460770d

73430797 has 4 divisors (see below), whose sum is σ = 80106336. Its totient is φ = 66755260.

The previous prime is 73430771. The next prime is 73430809. The reversal of 73430797 is 79703437.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2k-73430797 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73430717) 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, 3337753 + ... + 3337774.

It is an arithmetic number, because the mean of its divisors is an integer number (20026584).

Almost surely, 273430797 is an apocalyptic number.

It is an amenable number.

73430797 is a deficient number, since it is larger than the sum of its proper divisors (6675539).

73430797 is a wasteful number, since it uses less digits than its factorization.

73430797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675538.

The product of its (nonzero) digits is 111132, while the sum is 40.

The square root of 73430797 is about 8569.1771483614. The cubic root of 73430797 is about 418.7544295366.

The spelling of 73430797 in words is "seventy-three million, four hundred thirty thousand, seven hundred ninety-seven".

Divisors: 1 11 6675527 73430797