720485415 has 256 divisors, whose sum is σ = 1625702400. Its totient is φ = 298598400.

The previous prime is 720485407. The next prime is 720485417. The reversal of 720485415 is 514584027.

720485415 is a `hidden beast` number, since 72 + 0 + 48 + 541 + 5 = 666.

It is not a de Polignac number, because 720485415 - 2³ = 720485407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 720485415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720485417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 17572795 + ... + 17572835.

It is an arithmetic number, because the mean of its divisors is an integer number (6350400).

Almost surely, 2^720485415 is an apocalyptic number.

720485415 is an abundant number, since it is smaller than the sum of its proper divisors (905216985).

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

720485415 is a wasteful number, since it uses less digits than its factorization.

720485415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 720485415 is about 26841.8593804528. The cubic root of 720485415 is about 896.4823245342.

The spelling of 720485415 in words is "seven hundred twenty million, four hundred eighty-five thousand, four hundred fifteen".