67897475 has 6 divisors (see below), whose sum is σ = 84192900. Its totient is φ = 54317960.

The previous prime is 67897457. The next prime is 67897499. The reversal of 67897475 is 57479876.

It is not a de Polignac number, because 67897475 - 2²⁴ = 51120259 is a prime.

It is a super-2 number, since 2×67897475² = 9220134222751250, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1357925 + ... + 1357974.

It is an arithmetic number, because the mean of its divisors is an integer number (14032150).

Almost surely, 2^67897475 is an apocalyptic number.

67897475 is a deficient number, since it is larger than the sum of its proper divisors (16295425).

67897475 is a wasteful number, since it uses less digits than its factorization.

67897475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2715909 (or 2715904 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 53.

The square root of 67897475 is about 8239.9924150451. The cubic root of 67897475 is about 407.9602738297.

It can be divided in two parts, 6789 and 7475, that multiplied together give a triangular number (50747775 = T₁₀₀₇₄).

The spelling of 67897475 in words is "sixty-seven million, eight hundred ninety-seven thousand, four hundred seventy-five".