78058473 has 4 divisors (see below), whose sum is σ = 104077968. Its totient is φ = 52038980.

The previous prime is 78058469. The next prime is 78058483. The reversal of 78058473 is 37485087.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 78058473 - 2² = 78058469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78058483) 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, 13009743 + ... + 13009748.

It is an arithmetic number, because the mean of its divisors is an integer number (26019492).

Almost surely, 2^78058473 is an apocalyptic number.

It is an amenable number.

78058473 is a deficient number, since it is larger than the sum of its proper divisors (26019495).

78058473 is a wasteful number, since it uses less digits than its factorization.

78058473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26019494.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 78058473 is about 8835.0706279011. The cubic root of 78058473 is about 427.3726086686.

The spelling of 78058473 in words is "seventy-eight million, fifty-eight thousand, four hundred seventy-three".