42951775 has 12 divisors (see below), whose sum is σ = 56393712. Its totient is φ = 32339840.

The previous prime is 42951773. The next prime is 42951803. The reversal of 42951775 is 57715924.

It is not a de Polignac number, because 42951775 - 2¹ = 42951773 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 (42951773) 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, 50107 + ... + 50956.

It is an arithmetic number, because the mean of its divisors is an integer number (4699476).

Almost surely, 2^42951775 is an apocalyptic number.

42951775 is a deficient number, since it is larger than the sum of its proper divisors (13441937).

42951775 is a wasteful number, since it uses less digits than its factorization.

42951775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101090 (or 101085 counting only the distinct ones).

The product of its digits is 88200, while the sum is 40.

The square root of 42951775 is about 6553.7603709626. The cubic root of 42951775 is about 350.2087869913.

The spelling of 42951775 in words is "forty-two million, nine hundred fifty-one thousand, seven hundred seventy-five".