63252740 has 12 divisors (see below), whose sum is σ = 132830796. Its totient is φ = 25301088.

The previous prime is 63252727. The next prime is 63252751. The reversal of 63252740 is 4725236.

It can be written as a sum of positive squares in 2 ways, for example, as 6431296 + 56821444 = 2536^2 + 7538^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1581299 + ... + 1581338.

It is an arithmetic number, because the mean of its divisors is an integer number (11069233).

Almost surely, 2^63252740 is an apocalyptic number.

It is an amenable number.

63252740 is an abundant number, since it is smaller than the sum of its proper divisors (69578056).

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

63252740 is a wasteful number, since it uses less digits than its factorization.

63252740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3162646 (or 3162644 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 63252740 is about 7953.1591207520. The cubic root of 63252740 is about 398.4371097215.

Adding to 63252740 its reverse (4725236), we get a palindrome (67977976).

The spelling of 63252740 in words is "sixty-three million, two hundred fifty-two thousand, seven hundred forty".