67020417 has 12 divisors (see below), whose sum is σ = 96887700. Its totient is φ = 44643168.

The previous prime is 67020407. The next prime is 67020433. The reversal of 67020417 is 71402076.

It can be written as a sum of positive squares in 2 ways, for example, as 21538881 + 45481536 = 4641^2 + 6744^2 .

It is not a de Polignac number, because 67020417 - 2¹⁴ = 67004033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67020407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12459 + ... + 17007.

It is an arithmetic number, because the mean of its divisors is an integer number (8073975).

Almost surely, 2^67020417 is an apocalyptic number.

It is an amenable number.

67020417 is a deficient number, since it is larger than the sum of its proper divisors (29867283).

67020417 is a wasteful number, since it uses less digits than its factorization.

67020417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6192 (or 6189 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 67020417 is about 8186.5998436469. The cubic root of 67020417 is about 406.1960618882.

The spelling of 67020417 in words is "sixty-seven million, twenty thousand, four hundred seventeen".