728605950 has 24 divisors (see below), whose sum is σ = 1806943128. Its totient is φ = 194294880.

The previous prime is 728605921. The next prime is 728605951. The reversal of 728605950 is 59506827.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728605951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2428537 + ... + 2428836.

It is an arithmetic number, because the mean of its divisors is an integer number (75289297).

Almost surely, 2^728605950 is an apocalyptic number.

728605950 is an abundant number, since it is smaller than the sum of its proper divisors (1078337178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728605950 is a wasteful number, since it uses less digits than its factorization.

728605950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857388 (or 4857383 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 728605950 is about 26992.7017914102. The cubic root of 728605950 is about 899.8378102796.

The spelling of 728605950 in words is "seven hundred twenty-eight million, six hundred five thousand, nine hundred fifty".