42369621 has 8 divisors (see below), whose sum is σ = 64563264. Its totient is φ = 24211200.

The previous prime is 42369619. The next prime is 42369629. The reversal of 42369621 is 12696324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42369621 - 2¹ = 42369619 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42369629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008780 + ... + 1008821.

It is an arithmetic number, because the mean of its divisors is an integer number (8070408).

Almost surely, 2^42369621 is an apocalyptic number.

It is an amenable number.

42369621 is a deficient number, since it is larger than the sum of its proper divisors (22193643).

42369621 is a wasteful number, since it uses less digits than its factorization.

42369621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017611.

The product of its digits is 15552, while the sum is 33.

The square root of 42369621 is about 6509.1951115326. The cubic root of 42369621 is about 348.6193801768.

The spelling of 42369621 in words is "forty-two million, three hundred sixty-nine thousand, six hundred twenty-one".