67000090 has 32 divisors (see below), whose sum is σ = 123560640. Its totient is φ = 26150784.

The previous prime is 67000069. The next prime is 67000091. The reversal of 67000090 is 9000076.

67000090 = T₃₁₁ + T₃₁₂ + ... + T₇₅₅.

It is not an unprimeable number, because it can be changed into a prime (67000091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73417 + ... + 74323.

It is an arithmetic number, because the mean of its divisors is an integer number (3861270).

Almost surely, 2^67000090 is an apocalyptic number.

67000090 is a deficient number, since it is larger than the sum of its proper divisors (56560550).

67000090 is a wasteful number, since it uses less digits than its factorization.

67000090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 67000090 is about 8185.3582694956. The cubic root of 67000090 is about 406.1549919048.

The spelling of 67000090 in words is "sixty-seven million, ninety", and thus it is an aban number and an uban number.