63965070 has 96 divisors (see below), whose sum is σ = 186967872. Its totient is φ = 15054336.

The previous prime is 63965063. The next prime is 63965087. The reversal of 63965070 is 7056936.

It is a happy number.

63965070 is a `hidden beast` number, since 63 + 96 + 507 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25722 + ... + 28098.

It is an arithmetic number, because the mean of its divisors is an integer number (1947582).

Almost surely, 2^63965070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63965070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93483936).

63965070 is an abundant number, since it is smaller than the sum of its proper divisors (123002802).

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

63965070 is a wasteful number, since it uses less digits than its factorization.

63965070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426 (or 2423 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 63965070 is about 7997.8165770415. The cubic root of 63965070 is about 399.9272159237.

The spelling of 63965070 in words is "sixty-three million, nine hundred sixty-five thousand, seventy".