42620133 has 16 divisors (see below), whose sum is σ = 59222016. Its totient is φ = 27233520.

The previous prime is 42620131. The next prime is 42620141. The reversal of 42620133 is 33102624.

It is a happy number.

It is not a de Polignac number, because 42620133 - 2¹ = 42620131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42620131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7810 + ... + 12092.

It is an arithmetic number, because the mean of its divisors is an integer number (3701376).

Almost surely, 2^42620133 is an apocalyptic number.

It is an amenable number.

42620133 is a deficient number, since it is larger than the sum of its proper divisors (16601883).

42620133 is a wasteful number, since it uses less digits than its factorization.

42620133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4424.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 42620133 is about 6528.4096838357. The cubic root of 42620133 is about 349.3051056148.

Adding to 42620133 its reverse (33102624), we get a palindrome (75722757).

The spelling of 42620133 in words is "forty-two million, six hundred twenty thousand, one hundred thirty-three".