63070816 has 48 divisors (see below), whose sum is σ = 132269760. Its totient is φ = 29501440.

The previous prime is 63070801. The next prime is 63070817. The reversal of 63070816 is 61807036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63070817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146121 + ... + 146551.

It is an arithmetic number, because the mean of its divisors is an integer number (2755620).

Almost surely, 2^63070816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63070816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66134880).

63070816 is an abundant number, since it is smaller than the sum of its proper divisors (69198944).

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

63070816 is a wasteful number, since it uses less digits than its factorization.

63070816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 63070816 is about 7941.7136689760. The cubic root of 63070816 is about 398.0547553935.

The spelling of 63070816 in words is "sixty-three million, seventy thousand, eight hundred sixteen".