67272943 has 4 divisors (see below), whose sum is σ = 67296888. Its totient is φ = 67249000.

The previous prime is 67272937. The next prime is 67272949. The reversal of 67272943 is 34927276.

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

It is an interprime number because it is at equal distance from previous prime (67272937) and next prime (67272949).

It is a cyclic number.

It is not a de Polignac number, because 67272943 - 2²⁵ = 33718511 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67272896 and 67272905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67272949) 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, 7096 + ... + 13597.

It is an arithmetic number, because the mean of its divisors is an integer number (16824222).

Almost surely, 2^67272943 is an apocalyptic number.

67272943 is a deficient number, since it is larger than the sum of its proper divisors (23945).

67272943 is a wasteful number, since it uses less digits than its factorization.

67272943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23944.

The product of its digits is 127008, while the sum is 40.

The square root of 67272943 is about 8202.0084735387. The cubic root of 67272943 is about 406.7055907232.

The spelling of 67272943 in words is "sixty-seven million, two hundred seventy-two thousand, nine hundred forty-three".