730085722 has 4 divisors (see below), whose sum is σ = 1095128586. Its totient is φ = 365042860.

The previous prime is 730085693. The next prime is 730085731. The reversal of 730085722 is 227580037.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 410427081 + 319658641 = 20259^2 + 17879^2 .

It is a super-2 number, since 2×730085722² = 1066050322936522568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182521429 + ... + 182521432.

Almost surely, 2^730085722 is an apocalyptic number.

730085722 is a deficient number, since it is larger than the sum of its proper divisors (365042864).

730085722 is a wasteful number, since it uses less digits than its factorization.

730085722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365042863.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 730085722 is about 27020.0984824260. The cubic root of 730085722 is about 900.4465775497.

The spelling of 730085722 in words is "seven hundred thirty million, eighty-five thousand, seven hundred twenty-two".