42973775 has 24 divisors (see below), whose sum is σ = 59892000. Its totient is φ = 30349440.

The previous prime is 42973769. The next prime is 42973817. The reversal of 42973775 is 57737924.

It is not a de Polignac number, because 42973775 - 2⁴ = 42973759 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4601 + ... + 10349.

It is an arithmetic number, because the mean of its divisors is an integer number (2495500).

Almost surely, 2^42973775 is an apocalyptic number.

42973775 is a deficient number, since it is larger than the sum of its proper divisors (16918225).

42973775 is a wasteful number, since it uses less digits than its factorization.

42973775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5795 (or 5790 counting only the distinct ones).

The product of its digits is 370440, while the sum is 44.

The square root of 42973775 is about 6555.4385818189. The cubic root of 42973775 is about 350.2685693732.

The spelling of 42973775 in words is "forty-two million, nine hundred seventy-three thousand, seven hundred seventy-five".