67145642324 has 24 divisors (see below), whose sum is σ = 117921985440. Its totient is φ = 33453776736.

The previous prime is 67145642321. The next prime is 67145642327. The reversal of 67145642324 is 42324654176.

It is an interprime number because it is at equal distance from previous prime (67145642321) and next prime (67145642327).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67145642321) 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, 2176334 + ... + 2206970.

It is an arithmetic number, because the mean of its divisors is an integer number (4913416060).

Almost surely, 2^67145642324 is an apocalyptic number.

It is an amenable number.

67145642324 is a deficient number, since it is larger than the sum of its proper divisors (50776343116).

67145642324 is a wasteful number, since it uses less digits than its factorization.

67145642324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32567 (or 32565 counting only the distinct ones).

The product of its digits is 967680, while the sum is 44.

The spelling of 67145642324 in words is "sixty-seven billion, one hundred forty-five million, six hundred forty-two thousand, three hundred twenty-four".