42207453 has 8 divisors (see below), whose sum is σ = 62529600. Its totient is φ = 28138284.

The previous prime is 42207427. The next prime is 42207497. The reversal of 42207453 is 35470224.

42207453 is a `hidden beast` number, since 4 + 2 + 207 + 453 = 666.

It is not a de Polignac number, because 42207453 - 2¹⁴ = 42191069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1563239 = 42207453 / (4 + 2 + 2 + 0 + 7 + 4 + 5 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42207353) 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, 781593 + ... + 781646.

It is an arithmetic number, because the mean of its divisors is an integer number (7816200).

Almost surely, 2^42207453 is an apocalyptic number.

It is an amenable number.

42207453 is a deficient number, since it is larger than the sum of its proper divisors (20322147).

42207453 is a wasteful number, since it uses less digits than its factorization.

42207453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563248 (or 1563242 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 42207453 is about 6496.7263294678. The cubic root of 42207453 is about 348.1740360172.

Adding to 42207453 its reverse (35470224), we get a palindrome (77677677).

The spelling of 42207453 in words is "forty-two million, two hundred seven thousand, four hundred fifty-three".