4006742 has 8 divisors (see below), whose sum is σ = 6082776. Its totient is φ = 1979152.

The previous prime is 4006741. The next prime is 4006763. The reversal of 4006742 is 2476004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006741) 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, 11903 + ... + 12234.

It is an arithmetic number, because the mean of its divisors is an integer number (760347).

Almost surely, 2^4006742 is an apocalyptic number.

4006742 is a deficient number, since it is larger than the sum of its proper divisors (2076034).

4006742 is a wasteful number, since it uses less digits than its factorization.

4006742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24222.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 4006742 is about 2001.6847903704. The cubic root of 4006742 is about 158.8292406187.

The spelling of 4006742 in words is "four million, six thousand, seven hundred forty-two".