67005090 has 32 divisors (see below), whose sum is σ = 178680960. Its totient is φ = 17867952.

The previous prime is 67005067. The next prime is 67005119. The reversal of 67005090 is 9050076.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123814 + ... + 124353.

It is an arithmetic number, because the mean of its divisors is an integer number (5583780).

Almost surely, 2^67005090 is an apocalyptic number.

67005090 is an abundant number, since it is smaller than the sum of its proper divisors (111675870).

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

67005090 is a wasteful number, since it uses less digits than its factorization.

67005090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248183 (or 248177 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 67005090 is about 8185.6636872034. The cubic root of 67005090 is about 406.1650949980.

The spelling of 67005090 in words is "sixty-seven million, five thousand, ninety".