78654032 has 40 divisors (see below), whose sum is σ = 158695200. Its totient is φ = 37718912.

The previous prime is 78653999. The next prime is 78654049. The reversal of 78654032 is 23045687.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 78653983 and 78654001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82583 + ... + 83529.

It is an arithmetic number, because the mean of its divisors is an integer number (3967380).

Almost surely, 2^78654032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78654032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79347600).

78654032 is an abundant number, since it is smaller than the sum of its proper divisors (80041168).

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

78654032 is a wasteful number, since it uses less digits than its factorization.

78654032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 78654032 is about 8868.7108420559. The cubic root of 78654032 is about 428.4567575535.

The spelling of 78654032 in words is "seventy-eight million, six hundred fifty-four thousand, thirty-two".