63996702 has 64 divisors (see below), whose sum is σ = 161906688. Its totient is φ = 16380000.

The previous prime is 63996701. The next prime is 63996727. The reversal of 63996702 is 20769936.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63996701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31827 + ... + 33777.

It is an arithmetic number, because the mean of its divisors is an integer number (2529792).

Almost surely, 2^63996702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63996702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80953344).

63996702 is an abundant number, since it is smaller than the sum of its proper divisors (97909986).

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

63996702 is a wasteful number, since it uses less digits than its factorization.

63996702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 63996702 is about 7999.7938723445. The cubic root of 63996702 is about 399.9931290486.

The spelling of 63996702 in words is "sixty-three million, nine hundred ninety-six thousand, seven hundred two".