67140003 has 8 divisors (see below), whose sum is σ = 102308608. Its totient is φ = 38365704.

The previous prime is 67139999. The next prime is 67140011. The reversal of 67140003 is 30004176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67140003 - 2² = 67139999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 3197143 = 67140003 / (6 + 7 + 1 + 4 + 0 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67140023) 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, 1598551 + ... + 1598592.

It is an arithmetic number, because the mean of its divisors is an integer number (12788576).

Almost surely, 2^67140003 is an apocalyptic number.

67140003 is a deficient number, since it is larger than the sum of its proper divisors (35168605).

67140003 is a wasteful number, since it uses less digits than its factorization.

67140003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3197153.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 67140003 is about 8193.9003533116. The cubic root of 67140003 is about 406.4375131836.

Adding to 67140003 its reverse (30004176), we get a palindrome (97144179).

The spelling of 67140003 in words is "sixty-seven million, one hundred forty thousand, three".