730492020 has 288 divisors, whose sum is σ = 2443633920. Its totient is φ = 182891520.

The previous prime is 730491997. The next prime is 730492033. The reversal of 730492020 is 20294037.

730492020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10006704 + ... + 10006776.

It is an arithmetic number, because the mean of its divisors is an integer number (8484840).

Almost surely, 2^730492020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 730492020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1221816960).

730492020 is an abundant number, since it is smaller than the sum of its proper divisors (1713141900).

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

730492020 is a wasteful number, since it uses less digits than its factorization.

730492020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 730492020 is about 27027.6158770987. The cubic root of 730492020 is about 900.6135815912.

The spelling of 730492020 in words is "seven hundred thirty million, four hundred ninety-two thousand, twenty".