4142731 has 4 divisors (see below), whose sum is σ = 4153464. Its totient is φ = 4132000.

The previous prime is 4142707. The next prime is 4142753. The reversal of 4142731 is 1372414.

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

It is a cyclic number.

It is not a de Polignac number, because 4142731 - 2¹¹ = 4140683 is a prime.

It is a super-2 number, since 2×4142731² = 34324440276722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4142701) 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, 4765 + ... + 5566.

It is an arithmetic number, because the mean of its divisors is an integer number (1038366).

Almost surely, 2^4142731 is an apocalyptic number.

4142731 is a deficient number, since it is larger than the sum of its proper divisors (10733).

4142731 is a wasteful number, since it uses less digits than its factorization.

4142731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10732.

The product of its digits is 672, while the sum is 22.

The square root of 4142731 is about 2035.3699909353. The cubic root of 4142731 is about 160.6061770955.

The spelling of 4142731 in words is "four million, one hundred forty-two thousand, seven hundred thirty-one".