730172422 has 24 divisors (see below), whose sum is σ = 1303713576. Its totient is φ = 305651808.

The previous prime is 730172383. The next prime is 730172441. The reversal of 730172422 is 224271037.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82423 + ... + 90850.

It is an arithmetic number, because the mean of its divisors is an integer number (54321399).

Almost surely, 2^730172422 is an apocalyptic number.

730172422 is a deficient number, since it is larger than the sum of its proper divisors (573541154).

730172422 is a wasteful number, since it uses less digits than its factorization.

730172422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173332 (or 173325 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 730172422 is about 27021.7027960860. The cubic root of 730172422 is about 900.4822197699.

The spelling of 730172422 in words is "seven hundred thirty million, one hundred seventy-two thousand, four hundred twenty-two".