78593472 has 42 divisors (see below), whose sum is σ = 225275648. Its totient is φ = 26197632.

The previous prime is 78593467. The next prime is 78593483. The reversal of 78593472 is 27439587.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67648 + ... + 68799.

Almost surely, 2^78593472 is an apocalyptic number.

78593472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

78593472 is an abundant number, since it is smaller than the sum of its proper divisors (146682176).

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

78593472 is a wasteful number, since it uses less digits than its factorization.

78593472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136465 (or 136452 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 78593472 is about 8865.2959341468. The cubic root of 78593472 is about 428.3467652965.

The spelling of 78593472 in words is "seventy-eight million, five hundred ninety-three thousand, four hundred seventy-two".