67140315 has 24 divisors (see below), whose sum is σ = 126957168. Its totient is φ = 32552640.

The previous prime is 67140313. The next prime is 67140323. The reversal of 67140315 is 51304176.

It is not a de Polignac number, because 67140315 - 2¹ = 67140313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67140313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67324 + ... + 68313.

It is an arithmetic number, because the mean of its divisors is an integer number (5289882).

Almost surely, 2^67140315 is an apocalyptic number.

67140315 is a deficient number, since it is larger than the sum of its proper divisors (59816853).

67140315 is a wasteful number, since it uses less digits than its factorization.

67140315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135659 (or 135656 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 67140315 is about 8193.9193918417. The cubic root of 67140315 is about 406.4381427551.

The spelling of 67140315 in words is "sixty-seven million, one hundred forty thousand, three hundred fifteen".