720052407 has 24 divisors (see below), whose sum is σ = 1074972288. Its totient is φ = 463968000.

The previous prime is 720052379. The next prime is 720052423. The reversal of 720052407 is 704250027.

720052407 is a `hidden beast` number, since 7 + 200 + 52 + 407 = 666.

It is not a de Polignac number, because 720052407 - 2¹⁵ = 720019639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720052427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 398907 + ... + 400707.

It is an arithmetic number, because the mean of its divisors is an integer number (44790512).

Almost surely, 2^720052407 is an apocalyptic number.

720052407 is a deficient number, since it is larger than the sum of its proper divisors (354919881).

720052407 is a wasteful number, since it uses less digits than its factorization.

720052407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271 (or 3268 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 720052407 is about 26833.7922590155. The cubic root of 720052407 is about 896.3026948004.

The spelling of 720052407 in words is "seven hundred twenty million, fifty-two thousand, four hundred seven".