67500001 has 4 divisors (see below), whose sum is σ = 67526932. Its totient is φ = 67473072.

The previous prime is 67499969. The next prime is 67500007. The reversal of 67500001 is 10000576.

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 40449600 + 27050401 = 6360^2 + 5201^2 .

It is a cyclic number.

It is not a de Polignac number, because 67500001 - 2⁵ = 67499969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67500007) 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, 9270 + ... + 14863.

It is an arithmetic number, because the mean of its divisors is an integer number (16881733).

Almost surely, 2^67500001 is an apocalyptic number.

It is an amenable number.

67500001 is a deficient number, since it is larger than the sum of its proper divisors (26931).

67500001 is a wasteful number, since it uses less digits than its factorization.

67500001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26930.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 67500001 is about 8215.8384234356. The cubic root of 67500001 is about 407.1626444999.

Adding to 67500001 its reverse (10000576), we get a palindrome (77500577).

The spelling of 67500001 in words is "sixty-seven million, five hundred thousand, one".