78601632 has 48 divisors (see below), whose sum is σ = 217193760. Its totient is φ = 24820992.

The previous prime is 78601619. The next prime is 78601637. The reversal of 78601632 is 23610687.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 78601593 and 78601602.

It is not an unprimeable number, because it can be changed into a prime (78601637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19723 + ... + 23370.

It is an arithmetic number, because the mean of its divisors is an integer number (4524870).

Almost surely, 2^78601632 is an apocalyptic number.

It is an amenable number.

78601632 is an abundant number, since it is smaller than the sum of its proper divisors (138592128).

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

78601632 is a wasteful number, since it uses less digits than its factorization.

78601632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43125 (or 43117 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 78601632 is about 8865.7561437251. The cubic root of 78601632 is about 428.3615892106.

The spelling of 78601632 in words is "seventy-eight million, six hundred one thousand, six hundred thirty-two".