730601503 has 4 divisors (see below), whose sum is σ = 773578080. Its totient is φ = 687624928.

The previous prime is 730601497. The next prime is 730601527. The reversal of 730601503 is 305106037.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 730601503 - 2²¹ = 728504351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730601533) 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, 21488263 + ... + 21488296.

It is an arithmetic number, because the mean of its divisors is an integer number (193394520).

Almost surely, 2^730601503 is an apocalyptic number.

730601503 is a deficient number, since it is larger than the sum of its proper divisors (42976577).

730601503 is a wasteful number, since it uses less digits than its factorization.

730601503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42976576.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 730601503 is about 27029.6411925871. The cubic root of 730601503 is about 900.6585727061.

The spelling of 730601503 in words is "seven hundred thirty million, six hundred one thousand, five hundred three".