67380231 has 32 divisors (see below), whose sum is σ = 97763328. Its totient is φ = 41126400.

The previous prime is 67380227. The next prime is 67380233. The reversal of 67380231 is 13208376.

It is not a de Polignac number, because 67380231 - 2² = 67380227 is a prime.

It is a super-2 number, since 2×67380231² = 9080191059226722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67380233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 530490 + ... + 530616.

It is an arithmetic number, because the mean of its divisors is an integer number (3055104).

Almost surely, 2^67380231 is an apocalyptic number.

67380231 is a deficient number, since it is larger than the sum of its proper divisors (30383097).

67380231 is a wasteful number, since it uses less digits than its factorization.

67380231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 67380231 is about 8208.5462172056. The cubic root of 67380231 is about 406.9216828180.

The spelling of 67380231 in words is "sixty-seven million, three hundred eighty thousand, two hundred thirty-one".