42376621 has 8 divisors (see below), whose sum is σ = 49419200. Its totient is φ = 36322524.

The previous prime is 42376613. The next prime is 42376667. The reversal of 42376621 is 12667324.

It is not a de Polignac number, because 42376621 - 2³ = 42376613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42326621) 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, 61431 + ... + 62116.

It is an arithmetic number, because the mean of its divisors is an integer number (6177400).

Almost surely, 2^42376621 is an apocalyptic number.

It is an amenable number.

42376621 is a deficient number, since it is larger than the sum of its proper divisors (7042579).

42376621 is an equidigital number, since it uses as much as digits as its factorization.

42376621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123568 (or 123554 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 42376621 is about 6509.7327902150. The cubic root of 42376621 is about 348.6385779040.

The spelling of 42376621 in words is "forty-two million, three hundred seventy-six thousand, six hundred twenty-one".