720310045 has 48 divisors (see below), whose sum is σ = 1139927040. Its totient is φ = 431899776.

The previous prime is 720310039. The next prime is 720310057. The reversal of 720310045 is 540013027.

It is not a de Polignac number, because 720310045 - 2⁵ = 720310013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 720309998 and 720310025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54564 + ... + 66466.

It is an arithmetic number, because the mean of its divisors is an integer number (23748480).

Almost surely, 2^720310045 is an apocalyptic number.

It is an amenable number.

720310045 is a deficient number, since it is larger than the sum of its proper divisors (419616995).

720310045 is a wasteful number, since it uses less digits than its factorization.

720310045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11954 (or 11947 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 720310045 is about 26838.5924556412. The cubic root of 720310045 is about 896.4095824358.

The spelling of 720310045 in words is "seven hundred twenty million, three hundred ten thousand, forty-five".