63378712 has 16 divisors (see below), whose sum is σ = 120013200. Its totient is φ = 31375200.

The previous prime is 63378697. The next prime is 63378713. The reversal of 63378712 is 21787336.

It is a super-2 number, since 2×63378712² = 8033722269557888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63378713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38412 + ... + 40027.

It is an arithmetic number, because the mean of its divisors is an integer number (7500825).

Almost surely, 2^63378712 is an apocalyptic number.

It is an amenable number.

63378712 is a deficient number, since it is larger than the sum of its proper divisors (56634488).

63378712 is a wasteful number, since it uses less digits than its factorization.

63378712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78546 (or 78542 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 63378712 is about 7961.0748018091. The cubic root of 63378712 is about 398.7014389096.

The spelling of 63378712 in words is "sixty-three million, three hundred seventy-eight thousand, seven hundred twelve".