67995090 has 48 divisors (see below), whose sum is σ = 182497536. Its totient is φ = 17546400.

The previous prime is 67995089. The next prime is 67995127. The reversal of 67995090 is 9059976.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9396 + ... + 14975.

It is an arithmetic number, because the mean of its divisors is an integer number (3802032).

Almost surely, 2^67995090 is an apocalyptic number.

67995090 is an abundant number, since it is smaller than the sum of its proper divisors (114502446).

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

67995090 is a wasteful number, since it uses less digits than its factorization.

67995090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24415 (or 24412 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The square root of 67995090 is about 8245.9135333812. The cubic root of 67995090 is about 408.1556859717.

The spelling of 67995090 in words is "sixty-seven million, nine hundred ninety-five thousand, ninety".