720049245 has 16 divisors (see below), whose sum is σ = 1189243392. Its totient is φ = 371638080.

The previous prime is 720049241. The next prime is 720049261. The reversal of 720049245 is 542940027.

It is not a de Polignac number, because 720049245 - 2² = 720049241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720049241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773782 + ... + 774711.

It is an arithmetic number, because the mean of its divisors is an integer number (74327712).

Almost surely, 2^720049245 is an apocalyptic number.

It is an amenable number.

720049245 is a deficient number, since it is larger than the sum of its proper divisors (469194147).

720049245 is a wasteful number, since it uses less digits than its factorization.

720049245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548532.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 720049245 is about 26833.7333407038. The cubic root of 720049245 is about 896.3013828064.

The spelling of 720049245 in words is "seven hundred twenty million, forty-nine thousand, two hundred forty-five".