630432345 has 16 divisors (see below), whose sum is σ = 1013140800. Its totient is φ = 334747584.

The previous prime is 630432343. The next prime is 630432353. The reversal of 630432345 is 543234036.

It is not a de Polignac number, because 630432345 - 2¹ = 630432343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630432343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89170 + ... + 95979.

It is an arithmetic number, because the mean of its divisors is an integer number (63321300).

Almost surely, 2^630432345 is an apocalyptic number.

It is an amenable number.

630432345 is a deficient number, since it is larger than the sum of its proper divisors (382708455).

630432345 is a wasteful number, since it uses less digits than its factorization.

630432345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185384.

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 630432345 is about 25108.4118374699. The cubic root of 630432345 is about 857.4579454481.

The spelling of 630432345 in words is "six hundred thirty million, four hundred thirty-two thousand, three hundred forty-five".