67500949 has 2 divisors, whose sum is σ = 67500950. Its totient is φ = 67500948.

The previous prime is 67500887. The next prime is 67500971. The reversal of 67500949 is 94900576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64883025 + 2617924 = 8055^2 + 1618^2 .

It is a cyclic number.

It is not a de Polignac number, because 67500949 - 2⁷ = 67500821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67500989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33750474 + 33750475.

It is an arithmetic number, because the mean of its divisors is an integer number (33750475).

Almost surely, 2^67500949 is an apocalyptic number.

It is an amenable number.

67500949 is a deficient number, since it is larger than the sum of its proper divisors (1).

67500949 is an equidigital number, since it uses as much as digits as its factorization.

67500949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 67500949 is about 8215.8961166753. The cubic root of 67500949 is about 407.1645506153.

The spelling of 67500949 in words is "sixty-seven million, five hundred thousand, nine hundred forty-nine".