730198020 has 48 divisors (see below), whose sum is σ = 2133452160. Its totient is φ = 186253056.

The previous prime is 730198019. The next prime is 730198031. The reversal of 730198020 is 20891037.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263185 + ... + 265944.

It is an arithmetic number, because the mean of its divisors is an integer number (44446920).

Almost surely, 2^730198020 is an apocalyptic number.

It is an amenable number.

730198020 is an abundant number, since it is smaller than the sum of its proper divisors (1403254140).

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

730198020 is a wasteful number, since it uses less digits than its factorization.

730198020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529164 (or 529162 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 730198020 is about 27022.1764482434. The cubic root of 730198020 is about 900.4927425240.

The spelling of 730198020 in words is "seven hundred thirty million, one hundred ninety-eight thousand, twenty".