67654545 has 48 divisors (see below), whose sum is σ = 127552320. Its totient is φ = 30527616.

The previous prime is 67654541. The next prime is 67654549. The reversal of 67654545 is 54545676.

67654545 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (67654541) and next prime (67654549).

It is not a de Polignac number, because 67654545 - 2² = 67654541 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 67654497 and 67654506.

It is not an unprimeable number, because it can be changed into a prime (67654541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60451 + ... + 61559.

It is an arithmetic number, because the mean of its divisors is an integer number (2657340).

Almost surely, 2^67654545 is an apocalyptic number.

It is an amenable number.

67654545 is a deficient number, since it is larger than the sum of its proper divisors (59897775).

67654545 is a wasteful number, since it uses less digits than its factorization.

67654545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214 (or 1207 counting only the distinct ones).

The product of its digits is 504000, while the sum is 42.

The square root of 67654545 is about 8225.2382944204. The cubic root of 67654545 is about 407.4731461346.

The spelling of 67654545 in words is "sixty-seven million, six hundred fifty-four thousand, five hundred forty-five".