67490636 has 6 divisors (see below), whose sum is σ = 118108620. Its totient is φ = 33745316.

The previous prime is 67490623. The next prime is 67490659. The reversal of 67490636 is 63609476.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 67490593 and 67490602.

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, 8436326 + ... + 8436333.

It is an arithmetic number, because the mean of its divisors is an integer number (19684770).

Almost surely, 2^67490636 is an apocalyptic number.

It is an amenable number.

67490636 is a deficient number, since it is larger than the sum of its proper divisors (50617984).

67490636 is a wasteful number, since it uses less digits than its factorization.

67490636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16872663 (or 16872661 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 67490636 is about 8215.2684679200. The cubic root of 67490636 is about 407.1438136137.

The spelling of 67490636 in words is "sixty-seven million, four hundred ninety thousand, six hundred thirty-six".