42740313 has 32 divisors (see below), whose sum is σ = 72410112. Its totient is φ = 21777600.

The previous prime is 42740311. The next prime is 42740333. The reversal of 42740313 is 31304724.

It is not a de Polignac number, because 42740313 - 2¹ = 42740311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42740311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10498 + ... + 13988.

It is an arithmetic number, because the mean of its divisors is an integer number (2262816).

Almost surely, 2^42740313 is an apocalyptic number.

It is an amenable number.

42740313 is a deficient number, since it is larger than the sum of its proper divisors (29669799).

42740313 is a wasteful number, since it uses less digits than its factorization.

42740313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3565.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 42740313 is about 6537.6075899369. The cubic root of 42740313 is about 349.6331203229.

The spelling of 42740313 in words is "forty-two million, seven hundred forty thousand, three hundred thirteen".