720493514 has 16 divisors (see below), whose sum is σ = 1167010152. Its totient is φ = 331639488.

The previous prime is 720493513. The next prime is 720493517. The reversal of 720493514 is 415394027.

It can be written as a sum of positive squares in 4 ways, for example, as 271689289 + 448804225 = 16483^2 + 21185^2 .

It is a super-2 number, since 2×720493514² = 1038221807432136392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (720493513) 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, 27449 + ... + 46844.

Almost surely, 2^720493514 is an apocalyptic number.

720493514 is a deficient number, since it is larger than the sum of its proper divisors (446516638).

720493514 is a wasteful number, since it uses less digits than its factorization.

720493514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74681.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 720493514 is about 26842.0102451363. The cubic root of 720493514 is about 896.4856836506.

The spelling of 720493514 in words is "seven hundred twenty million, four hundred ninety-three thousand, five hundred fourteen".