1530047773 has 4 divisors (see below), whose sum is σ = 1540316700. Its totient is φ = 1519778848.

The previous prime is 1530047741. The next prime is 1530047797. The reversal of 1530047773 is 3777400351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3777400351 = 401 ⋅9419951.

It can be written as a sum of positive squares in 2 ways, for example, as 715402009 + 814645764 = 26747^2 + 28542^2 .

It is a cyclic number.

It is not a de Polignac number, because 1530047773 - 2⁵ = 1530047741 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 (1530047173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5134240 + ... + 5134537.

It is an arithmetic number, because the mean of its divisors is an integer number (385079175).

Almost surely, 2^1530047773 is an apocalyptic number.

It is an amenable number.

1530047773 is a deficient number, since it is larger than the sum of its proper divisors (10268927).

1530047773 is a wasteful number, since it uses less digits than its factorization.

1530047773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10268926.

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 1530047773 is about 39115.8250967559. The cubic root of 1530047773 is about 1152.3073455466.

The spelling of 1530047773 in words is "one billion, five hundred thirty million, forty-seven thousand, seven hundred seventy-three".