67540552 has 16 divisors (see below), whose sum is σ = 127760940. Its totient is φ = 33470976.

The previous prime is 67540531. The next prime is 67540553. The reversal of 67540552 is 25504576.

It can be written as a sum of positive squares in 2 ways, for example, as 67469796 + 70756 = 8214^2 + 266^2 .

It is not an unprimeable number, because it can be changed into a prime (67540553) 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, 36453 + ... + 38260.

Almost surely, 2^67540552 is an apocalyptic number.

It is an amenable number.

67540552 is a deficient number, since it is larger than the sum of its proper divisors (60220388).

67540552 is a wasteful number, since it uses less digits than its factorization.

67540552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74832 (or 74828 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 67540552 is about 8218.3059081541. The cubic root of 67540552 is about 407.2441632502.

The spelling of 67540552 in words is "sixty-seven million, five hundred forty thousand, five hundred fifty-two".