67387090 has 16 divisors (see below), whose sum is σ = 121505688. Its totient is φ = 26908416.

The previous prime is 67387081. The next prime is 67387109. The reversal of 67387090 is 9078376.

It can be written as a sum of positive squares in 4 ways, for example, as 19070689 + 48316401 = 4367^2 + 6951^2 .

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 7 ways as a sum of consecutive naturals, for example, 634 + ... + 11626.

Almost surely, 2^67387090 is an apocalyptic number.

67387090 is a deficient number, since it is larger than the sum of its proper divisors (54118598).

67387090 is a wasteful number, since it uses less digits than its factorization.

67387090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11613.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 67387090 is about 8208.9640028447. The cubic root of 67387090 is about 406.9354899396.

The spelling of 67387090 in words is "sixty-seven million, three hundred eighty-seven thousand, ninety".