730088020 has 36 divisors (see below), whose sum is σ = 1544369652. Its totient is φ = 289920000.

The previous prime is 730088017. The next prime is 730088039. The reversal of 730088020 is 20880037.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 569204164 + 160883856 = 23858^2 + 12684^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 730088020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 455220 + ... + 456820.

It is an arithmetic number, because the mean of its divisors is an integer number (42899157).

Almost surely, 2^730088020 is an apocalyptic number.

It is an amenable number.

730088020 is an abundant number, since it is smaller than the sum of its proper divisors (814281632).

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

730088020 is a wasteful number, since it uses less digits than its factorization.

730088020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912 (or 1759 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 730088020 is about 27020.1410062938. The cubic root of 730088020 is about 900.4475222900.

The spelling of 730088020 in words is "seven hundred thirty million, eighty-eight thousand, twenty".