7530145747 has 2 divisors, whose sum is σ = 7530145748. Its totient is φ = 7530145746.

The previous prime is 7530145739. The next prime is 7530145757. The reversal of 7530145747 is 7475410357.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7530145747 - 2³ = 7530145739 is a prime.

It is not a weakly prime, because it can be changed into another prime (7530145757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3765072873 + 3765072874.

It is an arithmetic number, because the mean of its divisors is an integer number (3765072874).

Almost surely, 2^7530145747 is an apocalyptic number.

7530145747 is a deficient number, since it is larger than the sum of its proper divisors (1).

7530145747 is an equidigital number, since it uses as much as digits as its factorization.

7530145747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 411600, while the sum is 43.

The square root of 7530145747 is about 86776.4123883904. The cubic root of 7530145747 is about 1960.0529059542.

The spelling of 7530145747 in words is "seven billion, five hundred thirty million, one hundred forty-five thousand, seven hundred forty-seven".