64080029 has 4 divisors (see below), whose sum is σ = 69009276. Its totient is φ = 59150784.

The previous prime is 64080017. The next prime is 64080061. The reversal of 64080029 is 92008046.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9467929 + 54612100 = 3077^2 + 7390^2 .

It is a cyclic number.

It is not a de Polignac number, because 64080029 - 2⁴ = 64080013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64079983 and 64080010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64080229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2464604 + ... + 2464629.

It is an arithmetic number, because the mean of its divisors is an integer number (17252319).

Almost surely, 2^64080029 is an apocalyptic number.

It is an amenable number.

64080029 is a deficient number, since it is larger than the sum of its proper divisors (4929247).

64080029 is a wasteful number, since it uses less digits than its factorization.

64080029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4929246.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 64080029 is about 8005.0002498438. Note that the first 3 decimals coincide. The cubic root of 64080029 is about 400.1666576368.

The spelling of 64080029 in words is "sixty-four million, eighty thousand, twenty-nine".