67130473 has 4 divisors (see below), whose sum is σ = 67173508. Its totient is φ = 67087440.

The previous prime is 67130471. The next prime is 67130507. The reversal of 67130473 is 37403176.

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

It can be written as a sum of positive squares in 2 ways, for example, as 52591504 + 14538969 = 7252^2 + 3813^2 .

It is a cyclic number.

It is not a de Polignac number, because 67130473 - 2¹ = 67130471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67130471) 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, 19086 + ... + 22327.

It is an arithmetic number, because the mean of its divisors is an integer number (16793377).

Almost surely, 2^67130473 is an apocalyptic number.

It is an amenable number.

67130473 is a deficient number, since it is larger than the sum of its proper divisors (43035).

67130473 is a wasteful number, since it uses less digits than its factorization.

67130473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43034.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 67130473 is about 8193.3188025366. The cubic root of 67130473 is about 406.4182820615.

The spelling of 67130473 in words is "sixty-seven million, one hundred thirty thousand, four hundred seventy-three".