729800525 has 12 divisors (see below), whose sum is σ = 905299200. Its totient is φ = 583616880.

The previous prime is 729800483. The next prime is 729800569. The reversal of 729800525 is 525008927.

It is not a de Polignac number, because 729800525 - 2¹⁰ = 729799501 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100466 + ... + 107484.

It is an arithmetic number, because the mean of its divisors is an integer number (75441600).

Almost surely, 2^729800525 is an apocalyptic number.

It is an amenable number.

729800525 is a deficient number, since it is larger than the sum of its proper divisors (175498675).

729800525 is a wasteful number, since it uses less digits than its factorization.

729800525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11188 (or 11183 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 729800525 is about 27014.8204695127. The cubic root of 729800525 is about 900.3293136445.

The spelling of 729800525 in words is "seven hundred twenty-nine million, eight hundred thousand, five hundred twenty-five".