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76734131 is a prime number
BaseRepresentation
bin1001001001011…
…01111010110011
312100101111102212
410210231322303
5124120443011
611340402335
71621141445
oct444557263
9170344385
1076734131
113a350541
12218463ab
1312b88a16
14a296495
156b0b08b
hex492deb3

76734131 has 2 divisors, whose sum is σ = 76734132. Its totient is φ = 76734130.

The previous prime is 76734113. The next prime is 76734137. The reversal of 76734131 is 13143767.

Together with previous prime (76734113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-76734131 is a prime.

It is a super-2 number, since 2×767341312 = 11776253720650322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76734137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38367065 + 38367066.

It is an arithmetic number, because the mean of its divisors is an integer number (38367066).

Almost surely, 276734131 is an apocalyptic number.

76734131 is a deficient number, since it is larger than the sum of its proper divisors (1).

76734131 is an equidigital number, since it uses as much as digits as its factorization.

76734131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 32.

The square root of 76734131 is about 8759.8019954791. The cubic root of 76734131 is about 424.9418716348.

Adding to 76734131 its reverse (13143767), we get a palindrome (89877898).

The spelling of 76734131 in words is "seventy-six million, seven hundred thirty-four thousand, one hundred thirty-one".