42392774 has 8 divisors (see below), whose sum is σ = 63703800. Its totient is φ = 21158176.

The previous prime is 42392773. The next prime is 42392789. The reversal of 42392774 is 47729324.

42392774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42392773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17699 + ... + 19950.

It is an arithmetic number, because the mean of its divisors is an integer number (7962975).

Almost surely, 2^42392774 is an apocalyptic number.

42392774 is a deficient number, since it is larger than the sum of its proper divisors (21311026).

42392774 is a wasteful number, since it uses less digits than its factorization.

42392774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38214.

The product of its digits is 84672, while the sum is 38.

The square root of 42392774 is about 6510.9733527331. The cubic root of 42392774 is about 348.6828699643.

The spelling of 42392774 in words is "forty-two million, three hundred ninety-two thousand, seven hundred seventy-four".