728374463 has 16 divisors (see below), whose sum is σ = 763969536. Its totient is φ = 693742560.

The previous prime is 728374459. The next prime is 728374483. The reversal of 728374463 is 364473827.

It is not a de Polignac number, because 728374463 - 2² = 728374459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728374453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773573 + ... + 774513.

It is an arithmetic number, because the mean of its divisors is an integer number (47748096).

Almost surely, 2^728374463 is an apocalyptic number.

728374463 is a deficient number, since it is larger than the sum of its proper divisors (35595073).

728374463 is a wasteful number, since it uses less digits than its factorization.

728374463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414.

The product of its digits is 677376, while the sum is 44.

The square root of 728374463 is about 26988.4134954243. The cubic root of 728374463 is about 899.7425037018.

The spelling of 728374463 in words is "seven hundred twenty-eight million, three hundred seventy-four thousand, four hundred sixty-three".