67275533 has 4 divisors (see below), whose sum is σ = 72450588. Its totient is φ = 62100480.

The previous prime is 67275503. The next prime is 67275541. The reversal of 67275533 is 33557276.

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 20994724 + 46280809 = 4582^2 + 6803^2 .

It is not a de Polignac number, because 67275533 - 2⁶ = 67275469 is a prime.

It is a super-3 number, since 3×67275533³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67275503) 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, 2587508 + ... + 2587533.

It is an arithmetic number, because the mean of its divisors is an integer number (18112647).

Almost surely, 2^67275533 is an apocalyptic number.

It is an amenable number.

67275533 is a deficient number, since it is larger than the sum of its proper divisors (5175055).

67275533 is a wasteful number, since it uses less digits than its factorization.

67275533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175054.

The product of its digits is 132300, while the sum is 38.

The square root of 67275533 is about 8202.1663601758. The cubic root of 67275533 is about 406.7108100279.

The spelling of 67275533 in words is "sixty-seven million, two hundred seventy-five thousand, five hundred thirty-three".