67536542 has 4 divisors (see below), whose sum is σ = 101304816. Its totient is φ = 33768270.

The previous prime is 67536527. The next prime is 67536551. The reversal of 67536542 is 24563576.

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

It is a super-2 number, since 2×67536542² = 9122369010635528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67536496 and 67536505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16884134 + ... + 16884137.

It is an arithmetic number, because the mean of its divisors is an integer number (25326204).

Almost surely, 2^67536542 is an apocalyptic number.

67536542 is a deficient number, since it is larger than the sum of its proper divisors (33768274).

67536542 is a wasteful number, since it uses less digits than its factorization.

67536542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33768273.

The product of its digits is 151200, while the sum is 38.

The square root of 67536542 is about 8218.0619369776. The cubic root of 67536542 is about 407.2361034927.

The spelling of 67536542 in words is "sixty-seven million, five hundred thirty-six thousand, five hundred forty-two".