42807453 has 8 divisors (see below), whose sum is σ = 61467168. Its totient is φ = 26343024.

The previous prime is 42807397. The next prime is 42807473. The reversal of 42807453 is 35470824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42807453 - 2⁸ = 42807197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42807473) 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, 548775 + ... + 548852.

It is an arithmetic number, because the mean of its divisors is an integer number (7683396).

Almost surely, 2^42807453 is an apocalyptic number.

It is an amenable number.

42807453 is a deficient number, since it is larger than the sum of its proper divisors (18659715).

42807453 is a wasteful number, since it uses less digits than its factorization.

42807453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097643.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 42807453 is about 6542.7404808689. The cubic root of 42807453 is about 349.8161020322.

The spelling of 42807453 in words is "forty-two million, eight hundred seven thousand, four hundred fifty-three".