67670101 has 4 divisors (see below), whose sum is σ = 68340204. Its totient is φ = 67000000.

The previous prime is 67670093. The next prime is 67670107. The reversal of 67670101 is 10107676.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65189476 + 2480625 = 8074^2 + 1575^2 .

It is a cyclic number.

It is not a de Polignac number, because 67670101 - 2³ = 67670093 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67670101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67670107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334900 + ... + 335101.

It is an arithmetic number, because the mean of its divisors is an integer number (17085051).

Almost surely, 2^67670101 is an apocalyptic number.

It is an amenable number.

67670101 is a deficient number, since it is larger than the sum of its proper divisors (670103).

67670101 is a wasteful number, since it uses less digits than its factorization.

67670101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670102.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 67670101 is about 8226.1838661678. The cubic root of 67670101 is about 407.5043742238.

Adding to 67670101 its reverse (10107676), we get a palindrome (77777777).

The spelling of 67670101 in words is "sixty-seven million, six hundred seventy thousand, one hundred one".