729201425 has 6 divisors (see below), whose sum is σ = 904209798. Its totient is φ = 583361120.

The previous prime is 729201391. The next prime is 729201449. The reversal of 729201425 is 524102927.

It can be written as a sum of positive squares in 3 ways, for example, as 217356049 + 511845376 = 14743^2 + 22624^2 .

It is not a de Polignac number, because 729201425 - 2²² = 725007121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 729201391 and 729201400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14584004 + ... + 14584053.

It is an arithmetic number, because the mean of its divisors is an integer number (150701633).

Almost surely, 2^729201425 is an apocalyptic number.

It is an amenable number.

729201425 is a deficient number, since it is larger than the sum of its proper divisors (175008373).

729201425 is a wasteful number, since it uses less digits than its factorization.

729201425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29168067 (or 29168062 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 729201425 is about 27003.7298349691. The cubic root of 729201425 is about 900.0828833133.

The spelling of 729201425 in words is "seven hundred twenty-nine million, two hundred one thousand, four hundred twenty-five".