67650941 has 4 divisors (see below), whose sum is σ = 67667772. Its totient is φ = 67634112.

The previous prime is 67650937. The next prime is 67650977. The reversal of 67650941 is 14905676.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19404025 + 48246916 = 4405^2 + 6946^2 .

It is a cyclic number.

It is not a de Polignac number, because 67650941 - 2² = 67650937 is a prime.

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

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 = 67650895 and 67650904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67650901) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1541 + ... + 11733.

It is an arithmetic number, because the mean of its divisors is an integer number (16916943).

Almost surely, 2^67650941 is an apocalyptic number.

It is an amenable number.

67650941 is a deficient number, since it is larger than the sum of its proper divisors (16831).

67650941 is a wasteful number, since it uses less digits than its factorization.

67650941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16830.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 67650941 is about 8225.0192097040. The cubic root of 67650941 is about 407.4659105562.

The spelling of 67650941 in words is "sixty-seven million, six hundred fifty thousand, nine hundred forty-one".