7499006305 has 24 divisors (see below), whose sum is σ = 10665528552. Its totient is φ = 5045144832.

The previous prime is 7499006303. The next prime is 7499006321. The reversal of 7499006305 is 5036009947.

It can be written as a sum of positive squares in 4 ways, for example, as 569442769 + 6929563536 = 23863^2 + 83244^2 .

It is not a de Polignac number, because 7499006305 - 2¹ = 7499006303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7499006303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275772 + ... + 301741.

It is an arithmetic number, because the mean of its divisors is an integer number (444397023).

Almost surely, 2^7499006305 is an apocalyptic number.

It is an amenable number.

7499006305 is a deficient number, since it is larger than the sum of its proper divisors (3166522247).

7499006305 is a wasteful number, since it uses less digits than its factorization.

7499006305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577585 (or 577578 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 7499006305 is about 86596.8030876429. The cubic root of 7499006305 is about 1957.3473682240.

The spelling of 7499006305 in words is "seven billion, four hundred ninety-nine million, six thousand, three hundred five".