42712193 has 4 divisors (see below), whose sum is σ = 43135188. Its totient is φ = 42289200.

The previous prime is 42712183. The next prime is 42712207. The reversal of 42712193 is 39121724.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18731584 + 23980609 = 4328^2 + 4897^2 .

It is a cyclic number.

It is not a de Polignac number, because 42712193 - 2⁶ = 42712129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42712123) 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, 211346 + ... + 211547.

It is an arithmetic number, because the mean of its divisors is an integer number (10783797).

Almost surely, 2^42712193 is an apocalyptic number.

It is an amenable number.

42712193 is a deficient number, since it is larger than the sum of its proper divisors (422995).

42712193 is a wasteful number, since it uses less digits than its factorization.

42712193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422994.

The product of its digits is 3024, while the sum is 29.

The square root of 42712193 is about 6535.4566022582. The cubic root of 42712193 is about 349.5564258267.

The spelling of 42712193 in words is "forty-two million, seven hundred twelve thousand, one hundred ninety-three".