719493490 has 16 divisors (see below), whose sum is σ = 1330091352. Its totient is φ = 280018944.

The previous prime is 719493479. The next prime is 719493491. The reversal of 719493490 is 94394917.

719493490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 649587169 + 69906321 = 25487^2 + 8361^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 719493490.

It is not an unprimeable number, because it can be changed into a prime (719493491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 971919 + ... + 972658.

Almost surely, 2^719493490 is an apocalyptic number.

719493490 is a deficient number, since it is larger than the sum of its proper divisors (610597862).

719493490 is a wasteful number, since it uses less digits than its factorization.

719493490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944621.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 719493490 is about 26823.3758128987. The cubic root of 719493490 is about 896.0707262742.

It can be divided in two parts, 719 and 493490, that added together give a square (494209 = 703²).

The spelling of 719493490 in words is "seven hundred nineteen million, four hundred ninety-three thousand, four hundred ninety".