719240985 has 16 divisors (see below), whose sum is σ = 1278650880. Its totient is φ = 383595120.

The previous prime is 719240939. The next prime is 719240987. The reversal of 719240985 is 589042917.

It is not a de Polignac number, because 719240985 - 2¹⁴ = 719224601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 719240985.

It is not an unprimeable number, because it can be changed into a prime (719240987) 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, 2663721 + ... + 2663990.

It is an arithmetic number, because the mean of its divisors is an integer number (79915680).

Almost surely, 2^719240985 is an apocalyptic number.

It is an amenable number.

719240985 is a deficient number, since it is larger than the sum of its proper divisors (559409895).

719240985 is a wasteful number, since it uses less digits than its factorization.

719240985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5327725 (or 5327719 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 719240985 is about 26818.6685911139. The cubic root of 719240985 is about 895.9658891836.

The spelling of 719240985 in words is "seven hundred nineteen million, two hundred forty thousand, nine hundred eighty-five".