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76714621 is a prime number
BaseRepresentation
bin1001001001010…
…01001001111101
312100100111200021
410210221021331
5124114331441
611340132141
71621030534
oct444511175
9170314607
1076714621
113a337915
1221837051
1312b7cb89
14a28d31b
156b053d1
hex492927d

76714621 has 2 divisors, whose sum is σ = 76714622. Its totient is φ = 76714620.

The previous prime is 76714619. The next prime is 76714633. The reversal of 76714621 is 12641767.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47403225 + 29311396 = 6885^2 + 5414^2 .

It is a cyclic number.

It is not a de Polignac number, because 76714621 - 21 = 76714619 is a prime.

Together with 76714619, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76714661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38357310 + 38357311.

It is an arithmetic number, because the mean of its divisors is an integer number (38357311).

Almost surely, 276714621 is an apocalyptic number.

It is an amenable number.

76714621 is a deficient number, since it is larger than the sum of its proper divisors (1).

76714621 is an equidigital number, since it uses as much as digits as its factorization.

76714621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 34.

The square root of 76714621 is about 8758.6883150390. The cubic root of 76714621 is about 424.9058541175.

The spelling of 76714621 in words is "seventy-six million, seven hundred fourteen thousand, six hundred twenty-one".