67026990 has 16 divisors (see below), whose sum is σ = 160864848. Its totient is φ = 17873856.

The previous prime is 67026979. The next prime is 67027007. The reversal of 67026990 is 9962076.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1117087 + ... + 1117146.

It is an arithmetic number, because the mean of its divisors is an integer number (10054053).

Almost surely, 2^67026990 is an apocalyptic number.

67026990 is an abundant number, since it is smaller than the sum of its proper divisors (93837858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67026990 is a wasteful number, since it uses less digits than its factorization.

67026990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234243.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 67026990 is about 8187.0012825210. The cubic root of 67026990 is about 406.2093406250.

The spelling of 67026990 in words is "sixty-seven million, twenty-six thousand, nine hundred ninety".