42420697 has 8 divisors (see below), whose sum is σ = 46402560. Its totient is φ = 38459760.

The previous prime is 42420683. The next prime is 42420701. The reversal of 42420697 is 79602424.

42420697 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 a de Polignac number, because none of the positive numbers 2^k-42420697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42420607) 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, 822 + ... + 9247.

It is an arithmetic number, because the mean of its divisors is an integer number (5800320).

Almost surely, 2^42420697 is an apocalyptic number.

It is an amenable number.

42420697 is a deficient number, since it is larger than the sum of its proper divisors (3981863).

42420697 is a wasteful number, since it uses less digits than its factorization.

42420697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10463.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 42420697 is about 6513.1173027975. The cubic root of 42420697 is about 348.7594092261.

The spelling of 42420697 in words is "forty-two million, four hundred twenty thousand, six hundred ninety-seven".