63470538 has 24 divisors (see below), whose sum is σ = 137759076. Its totient is φ = 21120000.

The previous prime is 63470527. The next prime is 63470543. The reversal of 63470538 is 83507436.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45603009 + 17867529 = 6753^2 + 4227^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8788 + ... + 14288.

Almost surely, 2^63470538 is an apocalyptic number.

63470538 is an abundant number, since it is smaller than the sum of its proper divisors (74288538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63470538 is a wasteful number, since it uses less digits than its factorization.

63470538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6150 (or 6147 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 63470538 is about 7966.8399004875. The cubic root of 63470538 is about 398.8938983337.

The spelling of 63470538 in words is "sixty-three million, four hundred seventy thousand, five hundred thirty-eight".