67130452 has 12 divisors (see below), whose sum is σ = 117948096. Its totient is φ = 33431000.

The previous prime is 67130443. The next prime is 67130471. The reversal of 67130452 is 25403176.

It is a self number, because there is not a number n which added to its sum of digits gives 67130452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32428 + ... + 34435.

It is an arithmetic number, because the mean of its divisors is an integer number (9829008).

Almost surely, 2^67130452 is an apocalyptic number.

It is an amenable number.

67130452 is a deficient number, since it is larger than the sum of its proper divisors (50817644).

67130452 is a wasteful number, since it uses less digits than its factorization.

67130452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67118 (or 67116 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 67130452 is about 8193.3175210045. The cubic root of 67130452 is about 406.4182396824.

The spelling of 67130452 in words is "sixty-seven million, one hundred thirty thousand, four hundred fifty-two".