76143073 has 2 divisors, whose sum is σ = 76143074. Its totient is φ = 76143072.

The previous prime is 76143029. The next prime is 76143079. The reversal of 76143073 is 37034167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63872064 + 12271009 = 7992^2 + 3503^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76143073 is a prime.

It is not a weakly prime, because it can be changed into another prime (76143079) 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, 38071536 + 38071537.

It is an arithmetic number, because the mean of its divisors is an integer number (38071537).

Almost surely, 2^76143073 is an apocalyptic number.

It is an amenable number.

76143073 is a deficient number, since it is larger than the sum of its proper divisors (1).

76143073 is an equidigital number, since it uses as much as digits as its factorization.

76143073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 76143073 is about 8725.9998280999. Note that the first 3 decimals coincide. The cubic root of 76143073 is about 423.8479953079.

It can be divided in two parts, 761 and 43073, that added together give a palindrome (43834).

The spelling of 76143073 in words is "seventy-six million, one hundred forty-three thousand, seventy-three".