67056197 has 16 divisors (see below), whose sum is σ = 74795952. Its totient is φ = 59719680.

The previous prime is 67056191. The next prime is 67056229. The reversal of 67056197 is 79165076.

It can be written as a sum of positive squares in 8 ways, for example, as 1267876 + 65788321 = 1126^2 + 8111^2 .

It is a cyclic number.

It is not a de Polignac number, because 67056197 - 2⁸ = 67055941 is a prime.

It is a super-2 number, since 2×67056197² = 8993067112205618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67056191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51053 + ... + 52349.

It is an arithmetic number, because the mean of its divisors is an integer number (4674747).

Almost surely, 2^67056197 is an apocalyptic number.

It is an amenable number.

67056197 is a deficient number, since it is larger than the sum of its proper divisors (7739755).

67056197 is a wasteful number, since it uses less digits than its factorization.

67056197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 67056197 is about 8188.7848304861. The cubic root of 67056197 is about 406.2683339418.

The spelling of 67056197 in words is "sixty-seven million, fifty-six thousand, one hundred ninety-seven".