67536494 has 4 divisors (see below), whose sum is σ = 101304744. Its totient is φ = 33768246.

The previous prime is 67536481. The next prime is 67536503. The reversal of 67536494 is 49463576.

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

It is a super-2 number, since 2×67536494² = 9122356043624072, which contains 22 as substring.

It is a Curzon number.

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, 16884122 + ... + 16884125.

It is an arithmetic number, because the mean of its divisors is an integer number (25326186).

Almost surely, 2^67536494 is an apocalyptic number.

67536494 is a deficient number, since it is larger than the sum of its proper divisors (33768250).

67536494 is a wasteful number, since it uses less digits than its factorization.

67536494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33768249.

The product of its digits is 544320, while the sum is 44.

The square root of 67536494 is about 8218.0590165805. The cubic root of 67536494 is about 407.2360070148.

The spelling of 67536494 in words is "sixty-seven million, five hundred thirty-six thousand, four hundred ninety-four".