4219742 has 4 divisors (see below), whose sum is σ = 6329616. Its totient is φ = 2109870.

The previous prime is 4219711. The next prime is 4219753. The reversal of 4219742 is 2479124.

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, 1054934 + ... + 1054937.

It is an arithmetic number, because the mean of its divisors is an integer number (1582404).

Almost surely, 2^4219742 is an apocalyptic number.

4219742 is a deficient number, since it is larger than the sum of its proper divisors (2109874).

4219742 is a wasteful number, since it uses less digits than its factorization.

4219742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109873.

The product of its digits is 4032, while the sum is 29.

The square root of 4219742 is about 2054.2010612401. The cubic root of 4219742 is about 161.5952656441.

The spelling of 4219742 in words is "four million, two hundred nineteen thousand, seven hundred forty-two".