42620347 has 24 divisors (see below), whose sum is σ = 54665280. Its totient is φ = 32855760.

The previous prime is 42620341. The next prime is 42620351. The reversal of 42620347 is 74302624.

It is not a de Polignac number, because 42620347 - 2³ = 42620339 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (42620341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57304 + ... + 58042.

It is an arithmetic number, because the mean of its divisors is an integer number (2277720).

Almost surely, 2^42620347 is an apocalyptic number.

42620347 is a deficient number, since it is larger than the sum of its proper divisors (12044933).

42620347 is a wasteful number, since it uses less digits than its factorization.

42620347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 42620347 is about 6528.4260737179. The cubic root of 42620347 is about 349.3056902459.

The spelling of 42620347 in words is "forty-two million, six hundred twenty thousand, three hundred forty-seven".