42722713 has 16 divisors (see below), whose sum is σ = 48528000. Its totient is φ = 37255680.

The previous prime is 42722711. The next prime is 42722731. The reversal of 42722713 is 31722724.

It is not a de Polignac number, because 42722713 - 2¹ = 42722711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42722711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63145 + ... + 63817.

It is an arithmetic number, because the mean of its divisors is an integer number (3033000).

Almost surely, 2^42722713 is an apocalyptic number.

It is an amenable number.

42722713 is a deficient number, since it is larger than the sum of its proper divisors (5805287).

42722713 is a wasteful number, since it uses less digits than its factorization.

42722713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912.

The product of its digits is 4704, while the sum is 28.

The square root of 42722713 is about 6536.2613931819. The cubic root of 42722713 is about 349.5851220176.

The spelling of 42722713 in words is "forty-two million, seven hundred twenty-two thousand, seven hundred thirteen".