63485370 has 80 divisors (see below), whose sum is σ = 183866760. Its totient is φ = 15624576.

The previous prime is 63485341. The next prime is 63485407. The reversal of 63485370 is 7358436.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 54066609 + 9418761 = 7353^2 + 3069^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7516 + ... + 13544.

Almost surely, 2^63485370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63485370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91933380).

63485370 is an abundant number, since it is smaller than the sum of its proper divisors (120381390).

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

63485370 is a wasteful number, since it uses less digits than its factorization.

63485370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6061 (or 6052 counting only the distinct ones).

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

The square root of 63485370 is about 7967.7707045321. The cubic root of 63485370 is about 398.9249675179.

The spelling of 63485370 in words is "sixty-three million, four hundred eighty-five thousand, three hundred seventy".