42147064 has 16 divisors (see below), whose sum is σ = 79108200. Its totient is φ = 21051552.

The previous prime is 42147043. The next prime is 42147067. The reversal of 42147064 is 46074124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42147067) 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, 7767 + ... + 12025.

Almost surely, 2^42147064 is an apocalyptic number.

It is an amenable number.

42147064 is a deficient number, since it is larger than the sum of its proper divisors (36961136).

42147064 is a wasteful number, since it uses less digits than its factorization.

42147064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502 (or 5498 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 42147064 is about 6492.0770174113. The cubic root of 42147064 is about 348.0079048717.

The spelling of 42147064 in words is "forty-two million, one hundred forty-seven thousand, sixty-four".