720147663 has 12 divisors (see below), whose sum is σ = 1040755248. Its totient is φ = 479848320.

The previous prime is 720147661. The next prime is 720147679. The reversal of 720147663 is 366741027.

It is not a de Polignac number, because 720147663 - 2¹ = 720147661 is a prime.

It is a super-2 number, since 2×720147663² = 1037225313048723138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720147661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1683 + ... + 37988.

It is an arithmetic number, because the mean of its divisors is an integer number (86729604).

Almost surely, 2^720147663 is an apocalyptic number.

720147663 is a deficient number, since it is larger than the sum of its proper divisors (320607585).

720147663 is a wasteful number, since it uses less digits than its factorization.

720147663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41694 (or 41691 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 720147663 is about 26835.5671264835. The cubic root of 720147663 is about 896.3422171296.

The spelling of 720147663 in words is "seven hundred twenty million, one hundred forty-seven thousand, six hundred sixty-three".