42494619 has 8 divisors (see below), whose sum is σ = 56723472. Its totient is φ = 28297760.

The previous prime is 42494609. The next prime is 42494623. The reversal of 42494619 is 91649424.

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 42494619 - 2⁵ = 42494587 is a prime.

It is a super-2 number, since 2×42494619² = 3611585287910322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42494609) 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, 4704 + ... + 10349.

It is an arithmetic number, because the mean of its divisors is an integer number (7090434).

Almost surely, 2^42494619 is an apocalyptic number.

42494619 is a deficient number, since it is larger than the sum of its proper divisors (14228853).

42494619 is a wasteful number, since it uses less digits than its factorization.

42494619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15997.

The product of its digits is 62208, while the sum is 39.

The square root of 42494619 is about 6518.7896882780. The cubic root of 42494619 is about 348.9618735427.

The spelling of 42494619 in words is "forty-two million, four hundred ninety-four thousand, six hundred nineteen".