720029069 has 2 divisors, whose sum is σ = 720029070. Its totient is φ = 720029068.

The previous prime is 720029059. The next prime is 720029083. The reversal of 720029069 is 960920027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 645414025 + 74615044 = 25405^2 + 8638^2 .

It is a cyclic number.

It is not a de Polignac number, because 720029069 - 2¹² = 720024973 is a prime.

It is a super-2 number, since 2×720029069² = 1036883720410013522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (720029059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360014534 + 360014535.

It is an arithmetic number, because the mean of its divisors is an integer number (360014535).

Almost surely, 2^720029069 is an apocalyptic number.

It is an amenable number.

720029069 is a deficient number, since it is larger than the sum of its proper divisors (1).

720029069 is an equidigital number, since it uses as much as digits as its factorization.

720029069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 720029069 is about 26833.3573933640. The cubic root of 720029069 is about 896.2930111819.

The spelling of 720029069 in words is "seven hundred twenty million, twenty-nine thousand, sixty-nine".