42417377 has 4 divisors (see below), whose sum is σ = 42430656. Its totient is φ = 42404100.

The previous prime is 42417371. The next prime is 42417383. The reversal of 42417377 is 77371424.

It is a happy number.

42417377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (42417371) and next prime (42417383).

It is a cyclic number.

It is not a de Polignac number, because 42417377 - 2²⁰ = 41368801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42417371) 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 3 ways as a sum of consecutive naturals, for example, 1388 + ... + 9314.

It is an arithmetic number, because the mean of its divisors is an integer number (10607664).

Almost surely, 2^42417377 is an apocalyptic number.

It is an amenable number.

42417377 is a deficient number, since it is larger than the sum of its proper divisors (13279).

42417377 is an equidigital number, since it uses as much as digits as its factorization.

42417377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13278.

The product of its digits is 32928, while the sum is 35.

The square root of 42417377 is about 6512.8624275352. The cubic root of 42417377 is about 348.7503105901.

The spelling of 42417377 in words is "forty-two million, four hundred seventeen thousand, three hundred seventy-seven".