67145056274 has 8 divisors (see below), whose sum is σ = 100786620720. Its totient is φ = 33549516036.

The previous prime is 67145056271. The next prime is 67145056309. The reversal of 67145056274 is 47265054176.

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

It is not an unprimeable number, because it can be changed into a prime (67145056271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11502404 + ... + 11508239.

It is an arithmetic number, because the mean of its divisors is an integer number (12598327590).

Almost surely, 2^67145056274 is an apocalyptic number.

67145056274 is a deficient number, since it is larger than the sum of its proper divisors (33641564446).

67145056274 is a wasteful number, since it uses less digits than its factorization.

67145056274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23012104.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 67145056274 in words is "sixty-seven billion, one hundred forty-five million, fifty-six thousand, two hundred seventy-four".