67474142 has 4 divisors (see below), whose sum is σ = 101211216. Its totient is φ = 33737070.

The previous prime is 67474129. The next prime is 67474171. The reversal of 67474142 is 24147476.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16868534 + ... + 16868537.

It is an arithmetic number, because the mean of its divisors is an integer number (25302804).

Almost surely, 2^67474142 is an apocalyptic number.

67474142 is a deficient number, since it is larger than the sum of its proper divisors (33737074).

67474142 is a wasteful number, since it uses less digits than its factorization.

67474142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33737073.

The product of its digits is 37632, while the sum is 35.

The square root of 67474142 is about 8214.2645440721. The cubic root of 67474142 is about 407.1106436926.

The spelling of 67474142 in words is "sixty-seven million, four hundred seventy-four thousand, one hundred forty-two".