730922893 has 4 divisors (see below), whose sum is σ = 731412000. Its totient is φ = 730433788.

The previous prime is 730922891. The next prime is 730922903. The reversal of 730922893 is 398229037.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 730922893 - 2¹ = 730922891 is a prime.

It is a super-2 number, since 2×730922893² = 1068496551022978898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730922891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242305 + ... + 245302.

It is an arithmetic number, because the mean of its divisors is an integer number (182853000).

Almost surely, 2^730922893 is an apocalyptic number.

It is an amenable number.

730922893 is a deficient number, since it is larger than the sum of its proper divisors (489107).

730922893 is a wasteful number, since it uses less digits than its factorization.

730922893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489106.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 730922893 is about 27035.5856788789. The cubic root of 730922893 is about 900.7906192564.

The spelling of 730922893 in words is "seven hundred thirty million, nine hundred twenty-two thousand, eight hundred ninety-three".