67396471 has 4 divisors (see below), whose sum is σ = 67564944. Its totient is φ = 67228000.

The previous prime is 67396423. The next prime is 67396501. The reversal of 67396471 is 17469376.

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

It is a cyclic number.

It is not a de Polignac number, because 67396471 - 2⁹ = 67395959 is a prime.

It is a super-3 number, since 3×67396471³ (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 (67396421) 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, 83635 + ... + 84436.

It is an arithmetic number, because the mean of its divisors is an integer number (16891236).

Almost surely, 2^67396471 is an apocalyptic number.

67396471 is a deficient number, since it is larger than the sum of its proper divisors (168473).

67396471 is a wasteful number, since it uses less digits than its factorization.

67396471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168472.

The product of its digits is 190512, while the sum is 43.

The square root of 67396471 is about 8209.5353705310. The cubic root of 67396471 is about 406.9543723136.

The spelling of 67396471 in words is "sixty-seven million, three hundred ninety-six thousand, four hundred seventy-one".