63750040 has 32 divisors (see below), whose sum is σ = 143991360. Its totient is φ = 25401600.

The previous prime is 63750019. The next prime is 63750047. The reversal of 63750040 is 4005736.

It is a junction number, because it is equal to n+sod(n) for n = 63749987 and 63750014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63750047) 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, 7900 + ... + 13780.

It is an arithmetic number, because the mean of its divisors is an integer number (4499730).

Almost surely, 2^63750040 is an apocalyptic number.

It is an amenable number.

63750040 is an abundant number, since it is smaller than the sum of its proper divisors (80241320).

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

63750040 is a wasteful number, since it uses less digits than its factorization.

63750040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163 (or 6159 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 63750040 is about 7984.3622162324. The cubic root of 63750040 is about 399.4785705737.

Adding to 63750040 its reverse (4005736), we get a palindrome (67755776).

The spelling of 63750040 in words is "sixty-three million, seven hundred fifty thousand, forty".