67306253 has 12 divisors (see below), whose sum is σ = 78501312. Its totient is φ = 57539160.

The previous prime is 67306249. The next prime is 67306273. The reversal of 67306253 is 35260376.

It is not a de Polignac number, because 67306253 - 2² = 67306249 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 (67306243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19526 + ... + 22712.

It is an arithmetic number, because the mean of its divisors is an integer number (6541776).

Almost surely, 2^67306253 is an apocalyptic number.

It is an amenable number.

67306253 is a deficient number, since it is larger than the sum of its proper divisors (11195059).

67306253 is a wasteful number, since it uses less digits than its factorization.

67306253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632 (or 3625 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 67306253 is about 8204.0388224337. The cubic root of 67306253 is about 406.7727060064.

The spelling of 67306253 in words is "sixty-seven million, three hundred six thousand, two hundred fifty-three".