42945703 has 4 divisors (see below), whose sum is σ = 43035840. Its totient is φ = 42855568.

The previous prime is 42945697. The next prime is 42945709. The reversal of 42945703 is 30754924.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42945697) and next prime (42945709).

It is a cyclic number.

It is not a de Polignac number, because 42945703 - 2¹⁷ = 42814631 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 (42945709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44350 + ... + 45307.

It is an arithmetic number, because the mean of its divisors is an integer number (10758960).

Almost surely, 2^42945703 is an apocalyptic number.

42945703 is a deficient number, since it is larger than the sum of its proper divisors (90137).

42945703 is an equidigital number, since it uses as much as digits as its factorization.

42945703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90136.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 42945703 is about 6553.2971090894. The cubic root of 42945703 is about 350.1922834594.

It can be divided in two parts, 42945 and 703, that multiplied together give a triangular number (30190335 = T₇₇₇₀).

The spelling of 42945703 in words is "forty-two million, nine hundred forty-five thousand, seven hundred three".