42620015 has 8 divisors (see below), whose sum is σ = 51518160. Its totient is φ = 33846592.

The previous prime is 42619999. The next prime is 42620027. The reversal of 42620015 is 51002624.

It is a happy number.

42620015 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 42620015 - 2⁴ = 42619999 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 30425 + ... + 31794.

It is an arithmetic number, because the mean of its divisors is an integer number (6439770).

Almost surely, 2^42620015 is an apocalyptic number.

42620015 is a deficient number, since it is larger than the sum of its proper divisors (8898145).

42620015 is a wasteful number, since it uses less digits than its factorization.

42620015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62361.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 42620015 is about 6528.4006464064. The cubic root of 42620015 is about 349.3047832473.

Adding to 42620015 its reverse (51002624), we get a palindrome (93622639).

The spelling of 42620015 in words is "forty-two million, six hundred twenty thousand, fifteen".