728827451 has 32 divisors (see below), whose sum is σ = 862819776. Its totient is φ = 608256000.

The previous prime is 728827423. The next prime is 728827481. The reversal of 728827451 is 154728827.

728827451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 728827451 - 2¹⁴ = 728811067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (728827481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2064491 + ... + 2064843.

It is an arithmetic number, because the mean of its divisors is an integer number (26963118).

Almost surely, 2^728827451 is an apocalyptic number.

728827451 is a deficient number, since it is larger than the sum of its proper divisors (133992325).

728827451 is a wasteful number, since it uses less digits than its factorization.

728827451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623.

The product of its digits is 250880, while the sum is 44.

The square root of 728827451 is about 26996.8044590466. The cubic root of 728827451 is about 899.9289865780.

The spelling of 728827451 in words is "seven hundred twenty-eight million, eight hundred twenty-seven thousand, four hundred fifty-one".