42703805 has 8 divisors (see below), whose sum is σ = 53011800. Its totient is φ = 32984896.

The previous prime is 42703789. The next prime is 42703819. The reversal of 42703805 is 50830724.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23716 + 42680089 = 154^2 + 6533^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42703805 - 2⁴ = 42703789 is a prime.

It is a super-2 number, since 2×42703805² = 3647229922956050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147110 + ... + 147399.

It is an arithmetic number, because the mean of its divisors is an integer number (6626475).

Almost surely, 2^42703805 is an apocalyptic number.

It is an amenable number.

42703805 is a deficient number, since it is larger than the sum of its proper divisors (10307995).

42703805 is a wasteful number, since it uses less digits than its factorization.

42703805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294543.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 42703805 is about 6534.8148405291. The cubic root of 42703805 is about 349.5335418752.

The spelling of 42703805 in words is "forty-two million, seven hundred three thousand, eight hundred five".