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73086743 = 149948757
BaseRepresentation
bin1000101101100…
…11011100010111
312002112012011102
410112303130113
5122202233433
611130300315
71545140612
oct426633427
9162465142
1073086743
113828a174
122058769b
13121ac7c2
1499c7179
15663a4e8
hex45b3717

73086743 has 4 divisors (see below), whose sum is σ = 73137000. Its totient is φ = 73036488.

The previous prime is 73086721. The next prime is 73086751. The reversal of 73086743 is 34768037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34768037 = 43808559.

It is a cyclic number.

It is not a de Polignac number, because 73086743 - 26 = 73086679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73086697 and 73086706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73086773) 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, 22880 + ... + 25877.

It is an arithmetic number, because the mean of its divisors is an integer number (18284250).

Almost surely, 273086743 is an apocalyptic number.

73086743 is a deficient number, since it is larger than the sum of its proper divisors (50257).

73086743 is a wasteful number, since it uses less digits than its factorization.

73086743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50256.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 73086743 is about 8549.0784883518. The cubic root of 73086743 is about 418.0993922052.

The spelling of 73086743 in words is "seventy-three million, eighty-six thousand, seven hundred forty-three".

Divisors: 1 1499 48757 73086743