67296261 has 4 divisors (see below), whose sum is σ = 89728352. Its totient is φ = 44864172.

The previous prime is 67296253. The next prime is 67296311. The reversal of 67296261 is 16269276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 67296261 - 2³ = 67296253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67296241) 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, 11216041 + ... + 11216046.

It is an arithmetic number, because the mean of its divisors is an integer number (22432088).

Almost surely, 2^67296261 is an apocalyptic number.

It is an amenable number.

67296261 is a deficient number, since it is larger than the sum of its proper divisors (22432091).

67296261 is a wasteful number, since it uses less digits than its factorization.

67296261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22432090.

The product of its digits is 54432, while the sum is 39.

The square root of 67296261 is about 8203.4298314790. The cubic root of 67296261 is about 406.7525757617.

The spelling of 67296261 in words is "sixty-seven million, two hundred ninety-six thousand, two hundred sixty-one".