78601473 has 12 divisors (see below), whose sum is σ = 115135488. Its totient is φ = 51662520.

The previous prime is 78601459. The next prime is 78601477. The reversal of 78601473 is 37410687.

78601473 is a `hidden beast` number, since 7 + 8 + 601 + 47 + 3 = 666.

It is not a de Polignac number, because 78601473 - 2¹² = 78597377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78601477) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 60865 + ... + 62142.

It is an arithmetic number, because the mean of its divisors is an integer number (9594624).

Almost surely, 2^78601473 is an apocalyptic number.

It is an amenable number.

78601473 is a deficient number, since it is larger than the sum of its proper divisors (36534015).

78601473 is a wasteful number, since it uses less digits than its factorization.

78601473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123084 (or 123081 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 78601473 is about 8865.7471766344. The cubic root of 78601473 is about 428.3613003721.

The spelling of 78601473 in words is "seventy-eight million, six hundred one thousand, four hundred seventy-three".