720535080 has 32 divisors (see below), whose sum is σ = 2161605600. Its totient is φ = 192142656.

The previous prime is 720534979. The next prime is 720535087. The reversal of 720535080 is 80535027.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (720535087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3002110 + ... + 3002349.

It is an arithmetic number, because the mean of its divisors is an integer number (67550175).

Almost surely, 2^720535080 is an apocalyptic number.

It is an amenable number.

720535080 is an abundant number, since it is smaller than the sum of its proper divisors (1441070520).

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

720535080 is a wasteful number, since it uses less digits than its factorization.

720535080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6004473 (or 6004469 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 720535080 is about 26842.7845053377. The cubic root of 720535080 is about 896.5029230412.

The spelling of 720535080 in words is "seven hundred twenty million, five hundred thirty-five thousand, eighty".