42900621 has 8 divisors (see below), whose sum is σ = 59046144. Its totient is φ = 27677760.

The previous prime is 42900607. The next prime is 42900623. The reversal of 42900621 is 12600924.

42900621 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 not a de Polignac number, because 42900621 - 2¹³ = 42892429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42900591 and 42900600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42900623) 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, 230556 + ... + 230741.

It is an arithmetic number, because the mean of its divisors is an integer number (7380768).

Almost surely, 2^42900621 is an apocalyptic number.

It is an amenable number.

42900621 is a deficient number, since it is larger than the sum of its proper divisors (16145523).

42900621 is a wasteful number, since it uses less digits than its factorization.

42900621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461331.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 42900621 is about 6549.8565633150. The cubic root of 42900621 is about 350.0697031244.

The spelling of 42900621 in words is "forty-two million, nine hundred thousand, six hundred twenty-one".