42952807 has 4 divisors (see below), whose sum is σ = 43261960. Its totient is φ = 42643656.

The previous prime is 42952781. The next prime is 42952813. The reversal of 42952807 is 70825924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42952807 - 2¹¹ = 42950759 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 (42952607) 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, 154368 + ... + 154645.

It is an arithmetic number, because the mean of its divisors is an integer number (10815490).

Almost surely, 2^42952807 is an apocalyptic number.

42952807 is a deficient number, since it is larger than the sum of its proper divisors (309153).

42952807 is a wasteful number, since it uses less digits than its factorization.

42952807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309152.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 42952807 is about 6553.8391039146. The cubic root of 42952807 is about 350.2115917847.

The spelling of 42952807 in words is "forty-two million, nine hundred fifty-two thousand, eight hundred seven".