720053415 has 16 divisors (see below), whose sum is σ = 1280095200. Its totient is φ = 384028416.

The previous prime is 720053413. The next prime is 720053423. The reversal of 720053415 is 514350027.

It is a happy number.

It is not a de Polignac number, because 720053415 - 2¹ = 720053413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720053413) 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, 2666730 + ... + 2666999.

It is an arithmetic number, because the mean of its divisors is an integer number (80005950).

Almost surely, 2^720053415 is an apocalyptic number.

720053415 is a deficient number, since it is larger than the sum of its proper divisors (560041785).

720053415 is a wasteful number, since it uses less digits than its factorization.

720053415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5333743 (or 5333737 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 720053415 is about 26833.8110412964. The cubic root of 720053415 is about 896.3031130443.

The spelling of 720053415 in words is "seven hundred twenty million, fifty-three thousand, four hundred fifteen".