76028009 has 2 divisors, whose sum is σ = 76028010. Its totient is φ = 76028008.

The previous prime is 76027997. The next prime is 76028107. The reversal of 76028009 is 90082067.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74011609 + 2016400 = 8603^2 + 1420^2 .

It is a cyclic number.

It is not a de Polignac number, because 76028009 - 2²⁰ = 74979433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76028209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38014004 + 38014005.

It is an arithmetic number, because the mean of its divisors is an integer number (38014005).

Almost surely, 2^76028009 is an apocalyptic number.

It is an amenable number.

76028009 is a deficient number, since it is larger than the sum of its proper divisors (1).

76028009 is an equidigital number, since it uses as much as digits as its factorization.

76028009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 76028009 is about 8719.4041654232. The cubic root of 76028009 is about 423.6343876409.

The spelling of 76028009 in words is "seventy-six million, twenty-eight thousand, nine".