67312276 has 12 divisors (see below), whose sum is σ = 117904500. Its totient is φ = 33625280.

The previous prime is 67312247. The next prime is 67312303. The reversal of 67312276 is 67221376.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56250000 + 11062276 = 7500^2 + 3326^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2401 + ... + 11848.

It is an arithmetic number, because the mean of its divisors is an integer number (9825375).

Almost surely, 2^67312276 is an apocalyptic number.

It is an amenable number.

67312276 is a deficient number, since it is larger than the sum of its proper divisors (50592224).

67312276 is a wasteful number, since it uses less digits than its factorization.

67312276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15434 (or 15432 counting only the distinct ones).

The product of its digits is 21168, while the sum is 34.

The square root of 67312276 is about 8204.4058895206. The cubic root of 67312276 is about 406.7848391977.

The spelling of 67312276 in words is "sixty-seven million, three hundred twelve thousand, two hundred seventy-six".