67020842 has 16 divisors (see below), whose sum is σ = 115404480. Its totient is φ = 28595328.

The previous prime is 67020839. The next prime is 67020869. The reversal of 67020842 is 24802076.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7367 + ... + 13722.

It is an arithmetic number, because the mean of its divisors is an integer number (7212780).

Almost surely, 2^67020842 is an apocalyptic number.

67020842 is a deficient number, since it is larger than the sum of its proper divisors (48383638).

67020842 is a wasteful number, since it uses less digits than its factorization.

67020842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21325.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 67020842 is about 8186.6258006580. The cubic root of 67020842 is about 406.1969204970.

It can be divided in two parts, 670 and 20842, that added together give a palindrome (21512).

The spelling of 67020842 in words is "sixty-seven million, twenty thousand, eight hundred forty-two".