67533772 has 12 divisors (see below), whose sum is σ = 119230776. Its totient is φ = 33467840.

The previous prime is 67533757. The next prime is 67533797. The reversal of 67533772 is 27733576.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74254 + ... + 75157.

It is an arithmetic number, because the mean of its divisors is an integer number (9935898).

Almost surely, 2^67533772 is an apocalyptic number.

It is an amenable number.

67533772 is a deficient number, since it is larger than the sum of its proper divisors (51697004).

67533772 is a wasteful number, since it uses less digits than its factorization.

67533772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149528 (or 149526 counting only the distinct ones).

The product of its digits is 185220, while the sum is 40.

The square root of 67533772 is about 8217.8934040300. The cubic root of 67533772 is about 407.2305358429.

The spelling of 67533772 in words is "sixty-seven million, five hundred thirty-three thousand, seven hundred seventy-two".