63470345 has 8 divisors (see below), whose sum is σ = 76207176. Its totient is φ = 50747776.

The previous prime is 63470339. The next prime is 63470347. The reversal of 63470345 is 54307436.

63470345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9653449 + 53816896 = 3107^2 + 7336^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 63470345 - 2²⁰ = 62421769 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63470347) 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 7 ways as a sum of consecutive naturals, for example, 15869 + ... + 19461.

It is an arithmetic number, because the mean of its divisors is an integer number (9525897).

Almost surely, 2^63470345 is an apocalyptic number.

It is an amenable number.

63470345 is a deficient number, since it is larger than the sum of its proper divisors (12736831).

63470345 is a wasteful number, since it uses less digits than its factorization.

63470345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7131.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 63470345 is about 7966.8277877710. The cubic root of 63470345 is about 398.8934940170.

The spelling of 63470345 in words is "sixty-three million, four hundred seventy thousand, three hundred forty-five".