42770307 has 8 divisors (see below), whose sum is σ = 57615376. Its totient is φ = 28219392.

The previous prime is 42770293. The next prime is 42770327. The reversal of 42770307 is 70307724.

It is a happy number.

42770307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42770307 - 2⁴ = 42770291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42770327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73198 + ... + 73779.

It is an arithmetic number, because the mean of its divisors is an integer number (7201922).

Almost surely, 2^42770307 is an apocalyptic number.

42770307 is a deficient number, since it is larger than the sum of its proper divisors (14845069).

42770307 is a wasteful number, since it uses less digits than its factorization.

42770307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147077.

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 42770307 is about 6539.9011460419. The cubic root of 42770307 is about 349.7148888991.

The spelling of 42770307 in words is "forty-two million, seven hundred seventy thousand, three hundred seven".