42199457 has 8 divisors (see below), whose sum is σ = 46624896. Its totient is φ = 37989952.

The previous prime is 42199403. The next prime is 42199483. The reversal of 42199457 is 75499124.

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

It is a cyclic number.

It is not a de Polignac number, because 42199457 - 2¹⁴ = 42183073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42199757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53573 + ... + 54354.

It is an arithmetic number, because the mean of its divisors is an integer number (5828112).

Almost surely, 2^42199457 is an apocalyptic number.

It is an amenable number.

42199457 is a deficient number, since it is larger than the sum of its proper divisors (4425439).

42199457 is a wasteful number, since it uses less digits than its factorization.

42199457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107967.

The product of its digits is 90720, while the sum is 41.

The square root of 42199457 is about 6496.1109134620. The cubic root of 42199457 is about 348.1520479937.

The spelling of 42199457 in words is "forty-two million, one hundred ninety-nine thousand, four hundred fifty-seven".