67906541 has 2 divisors, whose sum is σ = 67906542. Its totient is φ = 67906540.

The previous prime is 67906469. The next prime is 67906547. The reversal of 67906541 is 14560976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40386025 + 27520516 = 6355^2 + 5246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67906541 is a prime.

It is a super-2 number, since 2×67906541² = 9222596621169362, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 67906495 and 67906504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67906547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33953270 + 33953271.

It is an arithmetic number, because the mean of its divisors is an integer number (33953271).

Almost surely, 2^67906541 is an apocalyptic number.

It is an amenable number.

67906541 is a deficient number, since it is larger than the sum of its proper divisors (1).

67906541 is an equidigital number, since it uses as much as digits as its factorization.

67906541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 67906541 is about 8240.5425185482. The cubic root of 67906541 is about 407.9784306328.

It can be divided in two parts, 6790 and 6541, that added together give a palindrome (13331).

The spelling of 67906541 in words is "sixty-seven million, nine hundred six thousand, five hundred forty-one".