42775403 has 8 divisors (see below), whose sum is σ = 49120320. Its totient is φ = 36839880.

The previous prime is 42775393. The next prime is 42775409. The reversal of 42775403 is 30457724.

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

It is not a de Polignac number, because 42775403 - 2⁴ = 42775387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42775403.

It is not an unprimeable number, because it can be changed into a prime (42775409) 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, 102125 + ... + 102542.

It is an arithmetic number, because the mean of its divisors is an integer number (6140040).

Almost surely, 2^42775403 is an apocalyptic number.

42775403 is a deficient number, since it is larger than the sum of its proper divisors (6344917).

42775403 is a wasteful number, since it uses less digits than its factorization.

42775403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204697.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 42775403 is about 6540.2907427728. The cubic root of 42775403 is about 349.7287776335.

The spelling of 42775403 in words is "forty-two million, seven hundred seventy-five thousand, four hundred three".