720347436698 has 16 divisors (see below), whose sum is σ = 1095908330664. Its totient is φ = 355073556480.

The previous prime is 720347436691. The next prime is 720347436713. The reversal of 720347436698 is 896634743027.

720347436698 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 700004975569 + 20342461129 = 836663^2 + 142627^2 .

It is not an unprimeable number, because it can be changed into a prime (720347436691) 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, 7174133 + ... + 7273848.

Almost surely, 2^720347436698 is an apocalyptic number.

720347436698 is a deficient number, since it is larger than the sum of its proper divisors (375560893966).

720347436698 is a wasteful number, since it uses less digits than its factorization.

720347436698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14448337.

The product of its (nonzero) digits is 36578304, while the sum is 59.

The spelling of 720347436698 in words is "seven hundred twenty billion, three hundred forty-seven million, four hundred thirty-six thousand, six hundred ninety-eight".