Search a number
BaseRepresentation
bin10010110011100101
310220122221
4102303211
54431104
61352341
7440401
oct226345
9126587
1077029
1152967
12386b1
13290a4
1420101
1517c54
hex12ce5

77029 has 2 divisors, whose sum is σ = 77030. Its totient is φ = 77028.

The previous prime is 77023. The next prime is 77041. The reversal of 77029 is 92077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74529 + 2500 = 273^2 + 50^2 .

It is an emirp because it is prime and its reverse (92077) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-77029 is a prime.

It is a pancake number, because a pancake can be divided into 77029 parts by 392 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 76994 and 77012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38514 + 38515.

It is an arithmetic number, because the mean of its divisors is an integer number (38515).

277029 is an apocalyptic number.

It is an amenable number.

77029 is a deficient number, since it is larger than the sum of its proper divisors (1).

77029 is an equidigital number, since it uses as much as digits as its factorization.

77029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 25.

The square root of 77029 is about 277.5409879639. The cubic root of 77029 is about 42.5485489031.

The spelling of 77029 in words is "seventy-seven thousand, twenty-nine".