730194022890 has 64 divisors (see below), whose sum is σ = 1951681334400. Its totient is φ = 194268678912.

The previous prime is 730194022889. The next prime is 730194022907. The reversal of 730194022890 is 98220491037.

It is a super-2 number, since 2×730194022890² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3005980 + ... + 3239799.

It is an arithmetic number, because the mean of its divisors is an integer number (30495020850).

Almost surely, 2^730194022890 is an apocalyptic number.

730194022890 is an abundant number, since it is smaller than the sum of its proper divisors (1221487311510).

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

730194022890 is a wasteful number, since it uses less digits than its factorization.

730194022890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6246228 (or 6246222 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 730194022890 in words is "seven hundred thirty billion, one hundred ninety-four million, twenty-two thousand, eight hundred ninety".