42320703 has 4 divisors (see below), whose sum is σ = 56427608. Its totient is φ = 28213800.

The previous prime is 42320699. The next prime is 42320737. The reversal of 42320703 is 30702324.

It is a happy number.

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

It is not a de Polignac number, because 42320703 - 2² = 42320699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42320703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42320753) 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, 7053448 + ... + 7053453.

It is an arithmetic number, because the mean of its divisors is an integer number (14106902).

Almost surely, 2^42320703 is an apocalyptic number.

42320703 is a deficient number, since it is larger than the sum of its proper divisors (14106905).

42320703 is a wasteful number, since it uses less digits than its factorization.

42320703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14106904.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 42320703 is about 6505.4364188731. The cubic root of 42320703 is about 348.4851619184.

The spelling of 42320703 in words is "forty-two million, three hundred twenty thousand, seven hundred three".