720074445 has 16 divisors (see below), whose sum is σ = 1212757440. Its totient is φ = 363826944.

The previous prime is 720074413. The next prime is 720074447. The reversal of 720074445 is 544470027.

It is not a de Polignac number, because 720074445 - 2⁵ = 720074413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720074447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1263004 + ... + 1263573.

It is an arithmetic number, because the mean of its divisors is an integer number (75797340).

Almost surely, 2^720074445 is an apocalyptic number.

It is an amenable number.

720074445 is a deficient number, since it is larger than the sum of its proper divisors (492682995).

720074445 is a wasteful number, since it uses less digits than its factorization.

720074445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526604.

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 720074445 is about 26834.2028948132. The cubic root of 720074445 is about 896.3118388187.

The spelling of 720074445 in words is "seven hundred twenty million, seventy-four thousand, four hundred forty-five".