728700081190 has 16 divisors (see below), whose sum is σ = 1311680472480. Its totient is φ = 291475515520.

The previous prime is 728700081173. The next prime is 728700081191. The reversal of 728700081190 is 91180007827.

It is a happy number.

It is a super-2 number, since 2×728700081190² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728700081191) 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 7 ways as a sum of consecutive naturals, for example, 156846 + ... + 1217374.

It is an arithmetic number, because the mean of its divisors is an integer number (81980029530).

Almost surely, 2^728700081190 is an apocalyptic number.

728700081190 is a deficient number, since it is larger than the sum of its proper divisors (582980391290).

728700081190 is a wasteful number, since it uses less digits than its factorization.

728700081190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129247.

The product of its (nonzero) digits is 56448, while the sum is 43.

The spelling of 728700081190 in words is "seven hundred twenty-eight billion, seven hundred million, eighty-one thousand, one hundred ninety".