67490045 has 8 divisors (see below), whose sum is σ = 92557824. Its totient is φ = 46278864.

The previous prime is 67490023. The next prime is 67490057. The reversal of 67490045 is 54009476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67490045 - 2⁸ = 67489789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1928287 = 67490045 / (6 + 7 + 4 + 9 + 0 + 0 + 4 + 5).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 67489987 and 67490014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 964109 + ... + 964178.

It is an arithmetic number, because the mean of its divisors is an integer number (11569728).

Almost surely, 2^67490045 is an apocalyptic number.

It is an amenable number.

67490045 is a deficient number, since it is larger than the sum of its proper divisors (25067779).

67490045 is a wasteful number, since it uses less digits than its factorization.

67490045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928299.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 67490045 is about 8215.2324982316. The cubic root of 67490045 is about 407.1426251886.

The spelling of 67490045 in words is "sixty-seven million, four hundred ninety thousand, forty-five".