63765412 has 12 divisors (see below), whose sum is σ = 111646080. Its totient is φ = 31866536.

The previous prime is 63765409. The next prime is 63765421. The reversal of 63765412 is 21456736.

It is a happy 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, 11289 + ... + 15967.

It is an arithmetic number, because the mean of its divisors is an integer number (9303840).

Almost surely, 2^63765412 is an apocalyptic number.

It is an amenable number.

63765412 is a deficient number, since it is larger than the sum of its proper divisors (47880668).

63765412 is a wasteful number, since it uses less digits than its factorization.

63765412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8090 (or 8088 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 63765412 is about 7985.3247898880. The cubic root of 63765412 is about 399.5106766507.

It can be divided in two parts, 637 and 65412, that added together give a square (66049 = 257²).

The spelling of 63765412 in words is "sixty-three million, seven hundred sixty-five thousand, four hundred twelve".