42412791 has 8 divisors (see below), whose sum is σ = 56640384. Its totient is φ = 28230200.

The previous prime is 42412787. The next prime is 42412801. The reversal of 42412791 is 19721424.

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 42412791 - 2² = 42412787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42412771) 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, 8985 + ... + 12866.

It is an arithmetic number, because the mean of its divisors is an integer number (7080048).

Almost surely, 2^42412791 is an apocalyptic number.

42412791 is a deficient number, since it is larger than the sum of its proper divisors (14227593).

42412791 is a wasteful number, since it uses less digits than its factorization.

42412791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22501.

The product of its digits is 4032, while the sum is 30.

The square root of 42412791 is about 6512.5103454812. The cubic root of 42412791 is about 348.7377416331.

The spelling of 42412791 in words is "forty-two million, four hundred twelve thousand, seven hundred ninety-one".