720248994 has 24 divisors (see below), whose sum is σ = 1562768220. Its totient is φ = 239740128.

The previous prime is 720248987. The next prime is 720248999. The reversal of 720248994 is 499842027.

It can be written as a sum of positive squares in 2 ways, for example, as 720117225 + 131769 = 26835^2 + 363^2 .

It is a super-2 number, since 2×720248994² = 1037517226716024072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (720248999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15457 + ... + 40980.

Almost surely, 2^720248994 is an apocalyptic number.

720248994 is an abundant number, since it is smaller than the sum of its proper divisors (842519226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

720248994 is a wasteful number, since it uses less digits than its factorization.

720248994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57154 (or 57151 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 720248994 is about 26837.4550581831. The cubic root of 720248994 is about 896.3842561901.

It can be divided in two parts, 72024 and 8994, that added together give a palindrome (81018).

The spelling of 720248994 in words is "seven hundred twenty million, two hundred forty-eight thousand, nine hundred ninety-four".