78734548 has 24 divisors (see below), whose sum is σ = 149288832. Its totient is φ = 36188544.

The previous prime is 78734533. The next prime is 78734561. The reversal of 78734548 is 84543787.

It is a junction number, because it is equal to n+sod(n) for n = 78734498 and 78734507.

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, 10540 + ... + 16387.

It is an arithmetic number, because the mean of its divisors is an integer number (6220368).

Almost surely, 2^78734548 is an apocalyptic number.

It is an amenable number.

78734548 is a deficient number, since it is larger than the sum of its proper divisors (70554284).

78734548 is a wasteful number, since it uses less digits than its factorization.

78734548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26991 (or 26989 counting only the distinct ones).

The product of its digits is 752640, while the sum is 46.

The square root of 78734548 is about 8873.2490103682. The cubic root of 78734548 is about 428.6029075502.

It can be divided in two parts, 7873 and 4548, that added together give a palindrome (12421).

The spelling of 78734548 in words is "seventy-eight million, seven hundred thirty-four thousand, five hundred forty-eight".