7730557033 has 4 divisors (see below), whose sum is σ = 8185295700. Its totient is φ = 7275818368.

The previous prime is 7730557027. The next prime is 7730557103. The reversal of 7730557033 is 3307550377.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7197316569 + 533240464 = 84837^2 + 23092^2 .

It is a cyclic number.

It is not a de Polignac number, because 7730557033 - 2²¹ = 7728459881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7730557013) 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, 227369308 + ... + 227369341.

It is an arithmetic number, because the mean of its divisors is an integer number (2046323925).

Almost surely, 2^7730557033 is an apocalyptic number.

It is an amenable number.

7730557033 is a deficient number, since it is larger than the sum of its proper divisors (454738667).

7730557033 is a wasteful number, since it uses less digits than its factorization.

7730557033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454738666.

The product of its (nonzero) digits is 231525, while the sum is 40.

The square root of 7730557033 is about 87923.5863292666. The cubic root of 7730557033 is about 1977.2895124018.

The spelling of 7730557033 in words is "seven billion, seven hundred thirty million, five hundred fifty-seven thousand, thirty-three".