42945207 has 8 divisors (see below), whose sum is σ = 57302784. Its totient is φ = 28608888.

The previous prime is 42945181. The next prime is 42945233. The reversal of 42945207 is 70254924.

It is an interprime number because it is at equal distance from previous prime (42945181) and next prime (42945233).

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

It is not a de Polignac number, because 42945207 - 2⁷ = 42945079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42945277) 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, 228 + ... + 9270.

It is an arithmetic number, because the mean of its divisors is an integer number (7162848).

Almost surely, 2^42945207 is an apocalyptic number.

42945207 is a deficient number, since it is larger than the sum of its proper divisors (14357577).

42945207 is a wasteful number, since it uses less digits than its factorization.

42945207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10629.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 42945207 is about 6553.2592654343. The cubic root of 42945207 is about 350.1909352760.

The spelling of 42945207 in words is "forty-two million, nine hundred forty-five thousand, two hundred seven".