42370447 has 12 divisors (see below), whose sum is σ = 49451376. Its totient is φ = 36303120.

The previous prime is 42370429. The next prime is 42370463. The reversal of 42370447 is 74407324.

It is not a de Polignac number, because 42370447 - 2¹¹ = 42368399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42370747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15547 + ... + 18067.

It is an arithmetic number, because the mean of its divisors is an integer number (4120948).

Almost surely, 2^42370447 is an apocalyptic number.

42370447 is a deficient number, since it is larger than the sum of its proper divisors (7080929).

42370447 is an frugal number, since it uses more digits than its factorization.

42370447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556 (or 2528 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 42370447 is about 6509.2585599283. The cubic root of 42370447 is about 348.6216456186.

The spelling of 42370447 in words is "forty-two million, three hundred seventy thousand, four hundred forty-seven".