730022133621 has 32 divisors (see below), whose sum is σ = 1136060858880. Its totient is φ = 412280107200.

The previous prime is 730022133611. The next prime is 730022133629. The reversal of 730022133621 is 126331220037.

It is not a de Polignac number, because 730022133621 - 2⁶ = 730022133557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730022133629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9505275 + ... + 9581768.

It is an arithmetic number, because the mean of its divisors is an integer number (35501901840).

Almost surely, 2^730022133621 is an apocalyptic number.

It is an amenable number.

730022133621 is a deficient number, since it is larger than the sum of its proper divisors (406038725259).

730022133621 is a wasteful number, since it uses less digits than its factorization.

730022133621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19087137.

The product of its (nonzero) digits is 9072, while the sum is 30.

Adding to 730022133621 its reverse (126331220037), we get a palindrome (856353353658).

The spelling of 730022133621 in words is "seven hundred thirty billion, twenty-two million, one hundred thirty-three thousand, six hundred twenty-one".