730022397 has 8 divisors (see below), whose sum is σ = 1048237344. Its totient is φ = 449244528.

The previous prime is 730022387. The next prime is 730022401. The reversal of 730022397 is 793220037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 730022397 - 2⁸ = 730022141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730022327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9359223 + ... + 9359300.

It is an arithmetic number, because the mean of its divisors is an integer number (131029668).

Almost surely, 2^730022397 is an apocalyptic number.

It is an amenable number.

730022397 is a deficient number, since it is larger than the sum of its proper divisors (318214947).

730022397 is a wasteful number, since it uses less digits than its factorization.

730022397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18718539.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 730022397 is about 27018.9266441138. The cubic root of 730022397 is about 900.4205429685.

The spelling of 730022397 in words is "seven hundred thirty million, twenty-two thousand, three hundred ninety-seven".