63537472 has 28 divisors (see below), whose sum is σ = 126566676. Its totient is φ = 31646720.

The previous prime is 63537457. The next prime is 63537491. The reversal of 63537472 is 27473536.

It can be written as a sum of positive squares in 2 ways, for example, as 47665216 + 15872256 = 6904^2 + 3984^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 16218 + ... + 19750.

Almost surely, 2^63537472 is an apocalyptic number.

It is an amenable number.

63537472 is a deficient number, since it is larger than the sum of its proper divisors (63029204).

63537472 is a wasteful number, since it uses less digits than its factorization.

63537472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3826 (or 3816 counting only the distinct ones).

The product of its digits is 105840, while the sum is 37.

The square root of 63537472 is about 7971.0395808828. The cubic root of 63537472 is about 399.0340693224.

It can be divided in two parts, 63537 and 472, that added together give a square (64009 = 253²).

The spelling of 63537472 in words is "sixty-three million, five hundred thirty-seven thousand, four hundred seventy-two".