67535957 has 2 divisors, whose sum is σ = 67535958. Its totient is φ = 67535956.

The previous prime is 67535927. The next prime is 67535971. The reversal of 67535957 is 75953576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64625521 + 2910436 = 8039^2 + 1706^2 .

It is a cyclic number.

It is not a de Polignac number, because 67535957 - 2⁶ = 67535893 is a prime.

It is a super-2 number, since 2×67535957² = 9122210975811698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67535927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33767978 + 33767979.

It is an arithmetic number, because the mean of its divisors is an integer number (33767979).

Almost surely, 2^67535957 is an apocalyptic number.

It is an amenable number.

67535957 is a deficient number, since it is larger than the sum of its proper divisors (1).

67535957 is an equidigital number, since it uses as much as digits as its factorization.

67535957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 992250, while the sum is 47.

The square root of 67535957 is about 8218.0263445672. The cubic root of 67535957 is about 407.2349276660.

The spelling of 67535957 in words is "sixty-seven million, five hundred thirty-five thousand, nine hundred fifty-seven".