730742003 has 4 divisors (see below), whose sum is σ = 730836120. Its totient is φ = 730647888.

The previous prime is 730741961. The next prime is 730742009. The reversal of 730742003 is 300247037.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300247037 = 23 ⋅13054219.

It is a cyclic number.

It is not a de Polignac number, because 730742003 - 2⁶ = 730741939 is a prime.

It is a super-3 number, since 3×730742003³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (730742009) 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, 34250 + ... + 51327.

It is an arithmetic number, because the mean of its divisors is an integer number (182709030).

Almost surely, 2^730742003 is an apocalyptic number.

730742003 is a deficient number, since it is larger than the sum of its proper divisors (94117).

730742003 is an equidigital number, since it uses as much as digits as its factorization.

730742003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94116.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 730742003 is about 27032.2400662616. The cubic root of 730742003 is about 900.7163034107.

The spelling of 730742003 in words is "seven hundred thirty million, seven hundred forty-two thousand, three".