7630305 has 32 divisors (see below), whose sum is σ = 13184640. Its totient is φ = 3755520.

The previous prime is 7630303. The next prime is 7630321. The reversal of 7630305 is 5030367.

It is not a de Polignac number, because 7630305 - 2¹ = 7630303 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (7630303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11359 + ... + 12011.

It is an arithmetic number, because the mean of its divisors is an integer number (412020).

Almost surely, 2^7630305 is an apocalyptic number.

It is an amenable number.

7630305 is a deficient number, since it is larger than the sum of its proper divisors (5554335).

7630305 is a wasteful number, since it uses less digits than its factorization.

7630305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721.

The product of its (nonzero) digits is 1890, while the sum is 24.

The square root of 7630305 is about 2762.3006715417. The cubic root of 7630305 is about 196.8704947319.

It can be divided in two parts, 76 and 30305, that added together give a triangular number (30381 = T₂₄₆).

The spelling of 7630305 in words is "seven million, six hundred thirty thousand, three hundred five".