720027630 has 80 divisors (see below), whose sum is σ = 2212673760. Its totient is φ = 164576448.

The previous prime is 720027613. The next prime is 720027661. The reversal of 720027630 is 36720027.

720027630 is a `hidden beast` number, since 7 + 2 + 0 + 0 + 27 + 630 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 720027594 and 720027603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 57825 + ... + 69164.

It is an arithmetic number, because the mean of its divisors is an integer number (27658422).

Almost surely, 2^720027630 is an apocalyptic number.

720027630 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

720027630 is an abundant number, since it is smaller than the sum of its proper divisors (1492646130).

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

720027630 is a wasteful number, since it uses less digits than its factorization.

720027630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127015 (or 127006 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 720027630 is about 26833.3305797100. The cubic root of 720027630 is about 896.2924140919.

Adding to 720027630 its reverse (36720027), we get a palindrome (756747657).

The spelling of 720027630 in words is "seven hundred twenty million, twenty-seven thousand, six hundred thirty".