42707397 has 8 divisors (see below), whose sum is σ = 56977344. Its totient is φ = 28454528.

The previous prime is 42707377. The next prime is 42707437. The reversal of 42707397 is 79370724.

42707397 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 a cyclic number.

It is not a de Polignac number, because 42707397 - 2¹¹ = 42705349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42707377) 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, 3688 + ... + 9950.

It is an arithmetic number, because the mean of its divisors is an integer number (7122168).

Almost surely, 2^42707397 is an apocalyptic number.

It is an amenable number.

42707397 is a deficient number, since it is larger than the sum of its proper divisors (14269947).

42707397 is a wasteful number, since it uses less digits than its factorization.

42707397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8539.

The product of its (nonzero) digits is 74088, while the sum is 39.

The square root of 42707397 is about 6535.0896703871. The cubic root of 42707397 is about 349.5433418551.

The spelling of 42707397 in words is "forty-two million, seven hundred seven thousand, three hundred ninety-seven".