67739930 has 16 divisors (see below), whose sum is σ = 122026824. Its totient is φ = 27074880.

The previous prime is 67739927. The next prime is 67739939. The reversal of 67739930 is 3993776.

It can be written as a sum of positive squares in 4 ways, for example, as 65788321 + 1951609 = 8111^2 + 1397^2 .

It is not an unprimeable number, because it can be changed into a prime (67739939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20600 + ... + 23660.

Almost surely, 2^67739930 is an apocalyptic number.

67739930 is a deficient number, since it is larger than the sum of its proper divisors (54286894).

67739930 is a wasteful number, since it uses less digits than its factorization.

67739930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5281.

The product of its (nonzero) digits is 214326, while the sum is 44.

The square root of 67739930 is about 8230.4270849088. The cubic root of 67739930 is about 407.6444944065.

The spelling of 67739930 in words is "sixty-seven million, seven hundred thirty-nine thousand, nine hundred thirty".