67967273 has 6 divisors (see below), whose sum is σ = 74707962. Its totient is φ = 61788320.

The previous prime is 67967269. The next prime is 67967281. The reversal of 67967273 is 37276976.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 67699984 + 267289 = 8228^2 + 517^2 .

It is not a de Polignac number, because 67967273 - 2² = 67967269 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67967773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280736 + ... + 280977.

It is an arithmetic number, because the mean of its divisors is an integer number (12451327).

Almost surely, 2^67967273 is an apocalyptic number.

It is an amenable number.

67967273 is a deficient number, since it is larger than the sum of its proper divisors (6740689).

67967273 is a wasteful number, since it uses less digits than its factorization.

67967273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561735 (or 561724 counting only the distinct ones).

The product of its digits is 666792, while the sum is 47.

The square root of 67967273 is about 8244.2266465691. The cubic root of 67967273 is about 408.1000191319.

The spelling of 67967273 in words is "sixty-seven million, nine hundred sixty-seven thousand, two hundred seventy-three".