78753632 has 24 divisors (see below), whose sum is σ = 163207800. Its totient is φ = 37304064.

The previous prime is 78753629. The next prime is 78753667. The reversal of 78753632 is 23635787.

It is a self number, because there is not a number n which added to its sum of digits gives 78753632.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64157 + ... + 65372.

It is an arithmetic number, because the mean of its divisors is an integer number (6800325).

Almost surely, 2^78753632 is an apocalyptic number.

It is an amenable number.

78753632 is an abundant number, since it is smaller than the sum of its proper divisors (84454168).

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

78753632 is a wasteful number, since it uses less digits than its factorization.

78753632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129558 (or 129550 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 78753632 is about 8874.3243123068. The cubic root of 78753632 is about 428.6375335915.

The spelling of 78753632 in words is "seventy-eight million, seven hundred fifty-three thousand, six hundred thirty-two".