64072829 has 2 divisors, whose sum is σ = 64072830. Its totient is φ = 64072828.

The previous prime is 64072823. The next prime is 64072843. The reversal of 64072829 is 92827046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63568729 + 504100 = 7973^2 + 710^2 .

It is a cyclic number.

It is not a de Polignac number, because 64072829 - 2⁸ = 64072573 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 64072792 and 64072801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64072823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32036414 + 32036415.

It is an arithmetic number, because the mean of its divisors is an integer number (32036415).

Almost surely, 2^64072829 is an apocalyptic number.

It is an amenable number.

64072829 is a deficient number, since it is larger than the sum of its proper divisors (1).

64072829 is an equidigital number, since it uses as much as digits as its factorization.

64072829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 64072829 is about 8004.5505182990. The cubic root of 64072829 is about 400.1516695669.

The spelling of 64072829 in words is "sixty-four million, seventy-two thousand, eight hundred twenty-nine".