67120471 has 16 divisors (see below), whose sum is σ = 80209440. Its totient is φ = 55444480.

The previous prime is 67120453. The next prime is 67120481. The reversal of 67120471 is 17402176.

It is not a de Polignac number, because 67120471 - 2¹¹ = 67118423 is a prime.

It is a super-3 number, since 3×67120471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67120441) 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, 766 + ... + 11611.

It is an arithmetic number, because the mean of its divisors is an integer number (5013090).

Almost surely, 2^67120471 is an apocalyptic number.

67120471 is a deficient number, since it is larger than the sum of its proper divisors (13088969).

67120471 is a wasteful number, since it uses less digits than its factorization.

67120471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12434.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 67120471 is about 8192.7084044289. The cubic root of 67120471 is about 406.3980965065.

The spelling of 67120471 in words is "sixty-seven million, one hundred twenty thousand, four hundred seventy-one".