67632253 has 4 divisors (see below), whose sum is σ = 72834748. Its totient is φ = 62429760.

The previous prime is 67632251. The next prime is 67632277. The reversal of 67632253 is 35223676.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14953689 + 52678564 = 3867^2 + 7258^2 .

It is a cyclic number.

It is not a de Polignac number, because 67632253 - 2¹ = 67632251 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 (67632251) 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, 2601228 + ... + 2601253.

It is an arithmetic number, because the mean of its divisors is an integer number (18208687).

Almost surely, 2^67632253 is an apocalyptic number.

It is an amenable number.

67632253 is a deficient number, since it is larger than the sum of its proper divisors (5202495).

67632253 is a wasteful number, since it uses less digits than its factorization.

67632253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5202494.

The product of its digits is 45360, while the sum is 34.

The square root of 67632253 is about 8223.8830852584. The cubic root of 67632253 is about 407.4283874309.

The spelling of 67632253 in words is "sixty-seven million, six hundred thirty-two thousand, two hundred fifty-three".