78473067 has 4 divisors (see below), whose sum is σ = 104630760. Its totient is φ = 52315376.

The previous prime is 78473047. The next prime is 78473069. The reversal of 78473067 is 76037487.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78473067 - 2¹⁹ = 77948779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78473069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13078842 + ... + 13078847.

It is an arithmetic number, because the mean of its divisors is an integer number (26157690).

Almost surely, 2^78473067 is an apocalyptic number.

78473067 is a deficient number, since it is larger than the sum of its proper divisors (26157693).

78473067 is a wasteful number, since it uses less digits than its factorization.

78473067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26157692.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 78473067 is about 8858.5025258223. The cubic root of 78473067 is about 428.1279114441.

The spelling of 78473067 in words is "seventy-eight million, four hundred seventy-three thousand, sixty-seven".