7645630 has 8 divisors (see below), whose sum is σ = 13762152. Its totient is φ = 3058248.

The previous prime is 7645607. The next prime is 7645661. The reversal of 7645630 is 365467.

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

It is a junction number, because it is equal to n+sod(n) for n = 7645592 and 7645601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382272 + ... + 382291.

It is an arithmetic number, because the mean of its divisors is an integer number (1720269).

Almost surely, 2^7645630 is an apocalyptic number.

7645630 is a deficient number, since it is larger than the sum of its proper divisors (6116522).

7645630 is a wasteful number, since it uses less digits than its factorization.

7645630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764570.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 7645630 is about 2765.0732359198. The cubic root of 7645630 is about 197.0022073670.

The spelling of 7645630 in words is "seven million, six hundred forty-five thousand, six hundred thirty".