63437072 has 20 divisors (see below), whose sum is σ = 124926156. Its totient is φ = 31198080.

The previous prime is 63437069. The next prime is 63437113. The reversal of 63437072 is 27073436.

It can be written as a sum of positive squares in 2 ways, for example, as 4393216 + 59043856 = 2096^2 + 7684^2 .

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, 31523 + ... + 33474.

Almost surely, 2^63437072 is an apocalyptic number.

It is an amenable number.

63437072 is a deficient number, since it is larger than the sum of its proper divisors (61489084).

63437072 is a wasteful number, since it uses less digits than its factorization.

63437072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65066 (or 65060 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 63437072 is about 7964.7392926574. The cubic root of 63437072 is about 398.8237779779.

The spelling of 63437072 in words is "sixty-three million, four hundred thirty-seven thousand, seventy-two".