67130247 has 16 divisors (see below), whose sum is σ = 92163680. Its totient is φ = 43431552.

The previous prime is 67130233. The next prime is 67130251. The reversal of 67130247 is 74203176.

It is not a de Polignac number, because 67130247 - 2²⁶ = 21383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67130257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78273 + ... + 79125.

It is an arithmetic number, because the mean of its divisors is an integer number (5760230).

Almost surely, 2^67130247 is an apocalyptic number.

67130247 is a deficient number, since it is larger than the sum of its proper divisors (25033433).

67130247 is a wasteful number, since it uses less digits than its factorization.

67130247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 67130247 is about 8193.3050108000. The cubic root of 67130247 is about 406.4178259813.

The spelling of 67130247 in words is "sixty-seven million, one hundred thirty thousand, two hundred forty-seven".