78063632 has 10 divisors (see below), whose sum is σ = 151248318. Its totient is φ = 39031808.

The previous prime is 78063593. The next prime is 78063641. The reversal of 78063632 is 23636087.

It can be written as a sum of positive squares in only one way, i.e., 49505296 + 28558336 = 7036^2 + 5344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 78063592 and 78063601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2439473 + ... + 2439504.

Almost surely, 2^78063632 is an apocalyptic number.

It is an amenable number.

78063632 is a deficient number, since it is larger than the sum of its proper divisors (73184686).

78063632 is a wasteful number, since it uses less digits than its factorization.

78063632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4878985 (or 4878979 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 78063632 is about 8835.3625845236. The cubic root of 78063632 is about 427.3820236905.

The spelling of 78063632 in words is "seventy-eight million, sixty-three thousand, six hundred thirty-two".