42447601 has 4 divisors (see below), whose sum is σ = 48511552. Its totient is φ = 36383652.

The previous prime is 42447599. The next prime is 42447607. The reversal of 42447601 is 10674424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42447601 - 2¹ = 42447599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42447601.

It is not an unprimeable number, because it can be changed into a prime (42447607) 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, 3031965 + ... + 3031978.

It is an arithmetic number, because the mean of its divisors is an integer number (12127888).

Almost surely, 2^42447601 is an apocalyptic number.

It is an amenable number.

42447601 is a deficient number, since it is larger than the sum of its proper divisors (6063951).

42447601 is an equidigital number, since it uses as much as digits as its factorization.

42447601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6063950.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 42447601 is about 6515.1823458749. The cubic root of 42447601 is about 348.8331235596.

The spelling of 42447601 in words is "forty-two million, four hundred forty-seven thousand, six hundred one".