728350354 has 4 divisors (see below), whose sum is σ = 1092525534. Its totient is φ = 364175176.

The previous prime is 728350331. The next prime is 728350369. The reversal of 728350354 is 453053827.

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

It can be written as a sum of positive squares in only one way, i.e., 650505025 + 77845329 = 25505^2 + 8823^2 .

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 as a sum of consecutive naturals, namely, 182087587 + ... + 182087590.

Almost surely, 2^728350354 is an apocalyptic number.

728350354 is a deficient number, since it is larger than the sum of its proper divisors (364175180).

728350354 is a wasteful number, since it uses less digits than its factorization.

728350354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364175179.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 728350354 is about 26987.9668370924. The cubic root of 728350354 is about 899.7325765135.

The spelling of 728350354 in words is "seven hundred twenty-eight million, three hundred fifty thousand, three hundred fifty-four".