730268690 has 8 divisors (see below), whose sum is σ = 1314483660. Its totient is φ = 292107472.

The previous prime is 730268689. The next prime is 730268723. The reversal of 730268690 is 96862037.

It can be written as a sum of positive squares in 2 ways, for example, as 605209201 + 125059489 = 24601^2 + 11183^2 .

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

It is a super-2 number, since 2×730268690² = 1066584719188632200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36513425 + ... + 36513444.

Almost surely, 2^730268690 is an apocalyptic number.

730268690 is a deficient number, since it is larger than the sum of its proper divisors (584214970).

730268690 is a wasteful number, since it uses less digits than its factorization.

730268690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73026876.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 730268690 is about 27023.4840462883. The cubic root of 730268690 is about 900.5217920729.

The spelling of 730268690 in words is "seven hundred thirty million, two hundred sixty-eight thousand, six hundred ninety".