7530852621 has 8 divisors (see below), whose sum is σ = 10041638080. Its totient is φ = 5020317792.

The previous prime is 7530852613. The next prime is 7530852649. The reversal of 7530852621 is 1262580357.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7530852621 - 2³ = 7530852613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7530852621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7530852691) 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 7 ways as a sum of consecutive naturals, for example, 24960 + ... + 125238.

It is an arithmetic number, because the mean of its divisors is an integer number (1255204760).

Almost surely, 2^7530852621 is an apocalyptic number.

It is an amenable number.

7530852621 is a deficient number, since it is larger than the sum of its proper divisors (2510785459).

7530852621 is a wasteful number, since it uses less digits than its factorization.

7530852621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125315.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 7530852621 is about 86780.4852544626. The cubic root of 7530852621 is about 1960.1142357582.

The spelling of 7530852621 in words is "seven billion, five hundred thirty million, eight hundred fifty-two thousand, six hundred twenty-one".