42192494 has 8 divisors (see below), whose sum is σ = 63692328. Its totient is φ = 20961720.

The previous prime is 42192481. The next prime is 42192499. The reversal of 42192494 is 49429124.

It is a happy number.

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 (42192499) 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, 66872 + ... + 67499.

It is an arithmetic number, because the mean of its divisors is an integer number (7961541).

Almost surely, 2^42192494 is an apocalyptic number.

42192494 is a deficient number, since it is larger than the sum of its proper divisors (21499834).

42192494 is a wasteful number, since it uses less digits than its factorization.

42192494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134530.

The product of its digits is 20736, while the sum is 35.

The square root of 42192494 is about 6495.5749553061. The cubic root of 42192494 is about 348.1328983314.

The spelling of 42192494 in words is "forty-two million, one hundred ninety-two thousand, four hundred ninety-four".