728754279 has 16 divisors (see below), whose sum is σ = 1066765440. Its totient is φ = 438852960.

The previous prime is 728754277. The next prime is 728754281. The reversal of 728754279 is 972457827.

It is an interprime number because it is at equal distance from previous prime (728754277) and next prime (728754281).

It is not a de Polignac number, because 728754279 - 2¹ = 728754277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728754277) 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 15 ways as a sum of consecutive naturals, for example, 65149 + ... + 75510.

It is an arithmetic number, because the mean of its divisors is an integer number (66672840).

Almost surely, 2^728754279 is an apocalyptic number.

728754279 is a deficient number, since it is larger than the sum of its proper divisors (338011161).

728754279 is a wasteful number, since it uses less digits than its factorization.

728754279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140830.

The product of its digits is 1975680, while the sum is 51.

The square root of 728754279 is about 26995.4492276013. The cubic root of 728754279 is about 899.8988688834.

The spelling of 728754279 in words is "seven hundred twenty-eight million, seven hundred fifty-four thousand, two hundred seventy-nine".